Don’t you wish to keep your important emails, contacts, and calendars safe from
                        unexpected mishaps? Obviously, yes! So, having a reliable backup solution for your Office 365
                        data is essential. The SysInfo Office 365 Backup Tool is
                        a secure and efficient utility to securely backup or migrate O365 data. However, it's our
                        responsibility to help you understand its supportability and the conditions applied. Therefore,
                        here is a comprehensive guide to ensure that you can backup all your vital information
                        effortlessly. Let us proceed!
                    
                 
                
                    
                        Common Prerequisites
                        
                            - Office 365 admin users must have access to Microsoft Graph APIs.
- Domain-wide scopes must be provided for the source domain.
- Local destination folders must be granted with written permission.
- Antivirus, firewall, and Real-time protection should be off.
 
                    Now, let us explore various supportability criteria, limitations, and issues individually for
                        email, contact, and calendars.
                    
                        
                        
                            
                                
                                    
                                        
                                        
                                            
                                                
                                                    
Features (Supported & Not Supported)
                                                
                                                
                                                    
                                                        
                                                            
                                                                
                                                                    
                                                                        | Feature Point | Description | 
                                                                
                                                                
                                                                    
                                                                        | Demo Version
                                                                            License | Multiple Accounts
                                                                            Through Assign
                                                                            Impersonation Option | 
                                                                    
                                                                        | Date Filter | On Selected Date Range. | 
                                                                    
                                                                        | Folder Structure | Maintained as in Origin | 
                                                                    
                                                                        | Special Characters
                                                                            / Foreign Language
                                                                            Names For Folders | Supported | 
                                                                    
                                                                        | Folder Name
                                                                            Existing conflicts | Yes, It Creates an
                                                                            incremental counter. | 
                                                                    
                                                                        | Trash | Support for Deleted Item
                                                                            Folder. | 
                                                                    
                                                                        | Attachments | Supported | 
                                                                    
                                                                        | Remove duplicate
                                                                            emails on the basis of | Subject, Body, From, and
                                                                            To. | 
                                                                    
                                                                        | Remove duplicates
                                                                            of Calendar on the
                                                                            basis of | Subject, Start date, and
                                                                            End date. | 
                                                                    
                                                                        | Remove duplicates
                                                                            Notes on the basis of | Body | 
                                                                    
                                                                        | Remove duplicates
                                                                            Contact on the basis
                                                                            of | Company Name, Email
                                                                            Address, Display Name,
                                                                            Contact Group. | 
                                                                    
                                                                        | Remove duplicates
                                                                            task on the basis of | Subject, Start Date, and
                                                                            Due Date. | 
                                                                    
                                                                        | PST file Naming
                                                                            Convention | The default file will be
                                                                            created with “user
                                                                            email address.pst” and in the case of Custom
                                                                            Folder, it will save
                                                                            the folder name as you select. | 
                                                                    
                                                                        | Default Folder
                                                                            Mapping | Supported | 
                                                                    
                                                                        | Read/Unread | Supported | 
                                                                    
                                                                        | Conversation | Supported | 
                                                                    
                                                                        | Mail Body Format[
                                                                            RTF, HTML and Plain
                                                                            Text] | Supported | 
                                                                    
                                                                        | Free up Server
                                                                            Space | Supported | 
                                                                    
                                                                        | Custom Folder Name | Supported | 
                                                                    
                                                                        | Priority | Supported | 
                                                                    
                                                                        | Calendar Migration
                                                                            of Mailbox. | Supported in Office 365
                                                                            mailboxes, and PST
                                                                            With proper Properties. If you take a backup
                                                                            in Other file formats
                                                                            It will save as ICS. | 
                                                                    
                                                                        | Calendar Migration
                                                                            of Mailbox. | Supported in Office 365
                                                                            Online Archive but
                                                                            some of the properties will not match
                                                                            because of limitations of
                                                                            the online archive folder, and PST With
                                                                            proper Properties. If you
                                                                            take a backup in Other file formats It will
                                                                            save as ICS. | 
                                                                    
                                                                        | Calendar Migration
                                                                            of Mailbox. | Supported in Office 365
                                                                            Public folder but
                                                                            some of the properties will not match
                                                                            because of the limitation of
                                                                            Public folder, and PST With proper
                                                                            Properties. If you take a
                                                                            backup in another file format It will save
                                                                            as ICS. | 
                                                                    
                                                                        | Journal items | Not Supported. | 
                                                                    
                                                                        | Task Migration | Supported in Office 365
                                                                            mailboxes, and PST
                                                                            With proper Properties. If you take a backup
                                                                            in Other file
                                                                            formats, it will save as an attachment and
                                                                            in TXT format. | 
                                                                    
                                                                        | Contact Migration | Supported in Office 365
                                                                            mailboxes, and PST
                                                                            With proper Properties. If you take a backup
                                                                            in Other file formats
                                                                            It will save as VCF. | 
                                                                    
                                                                        | Journal items | Not Supported. | 
                                                                    
                                                                        | Task Migration | Supported in Office 365
                                                                            mailboxes, and PST With proper Properties.
                                                                            If you take backup in Other file format It
                                                                            will save as attachment and in TXT format. | 
                                                                
                                                            
                                                         
                                                     
                                                 
                                             
                                         
                                        
                                        
                                            
                                                
                                                    
Shortcomings and Limitations
                                                
                                                
                                                    
                                                        
                                                            
                                                                
                                                                    
                                                                        | Limitation | Reason | 
                                                                
                                                                
                                                                    
                                                                        | All folders are
                                                                            present even if they are
                                                                            outside the date filter’s range | The application is
                                                                            designed for
                                                                            pre-processing the folders first and then
                                                                            the files. | 
                                                                    
                                                                        | Forward slash [ / ]
                                                                            in Folder name | Not Supported [As we are
                                                                            using this as path
                                                                            separator] | 
                                                                
                                                            
                                                         
                                                     
                                                 
                                             
                                         
                                        
                                        
                                        
                                            
                                                
                                                    
Known Issues
                                                
                                                
                                                    
                                                        
                                                            
                                                                
                                                                    
                                                                        | Issue | Reason | 
                                                                
                                                                
                                                                    
                                                                        | Out of Memory
                                                                            Exception | From Microsoft and
                                                                            Aspose API End Point | 
                                                                
                                                            
                                                         
                                                     
                                                 
                                             
                                         
                                        
                                        
                                     
                                    
                                        
                                        
                                            
                                                
                                                    
Contact Features (Supported & Not
                                                        Supported)
                                                
                                                
                                                    
                                                        
                                                            
                                                                
                                                                    
                                                                        | Feature Point | Description | 
                                                                
                                                                
                                                                    
                                                                        | Demo Version
                                                                            License | Multiple Accounts
                                                                            Through Assign
                                                                            Impersonation Option | 
                                                                    
                                                                        | Date Filter | Not supported | 
                                                                    
                                                                        | Folder Structure | Original Structure
                                                                            Maintained | 
                                                                    
                                                                        | Special Characters
                                                                            / Foreign Language
                                                                            Names For Folders | Yes, if in accordance
                                                                            with Outlook rules | 
                                                                    
                                                                        | Folder Name
                                                                            Existing conflicts | Folders remain
                                                                            unaffected (need to check) | 
                                                                    
                                                                        | Multiple Email
                                                                            addresses | Supported | 
                                                                    
                                                                        | Phone
                                                                            :Business,home and mob(1) | Supported | 
                                                                    
                                                                        | Company, first
                                                                            name, last name | Supported | 
                                                                    
                                                                        | Work (Job
                                                                            title,department,company
                                                                            name,assistant name) | Supported | 
                                                                    
                                                                        | Remove duplicates
                                                                            Notes on the basis of | Body | 
                                                                    
                                                                        | Notes | Supported | 
                                                                    
                                                                        | Profile Photo | Supported | 
                                                                    
                                                                        | Personal Info -
                                                                            First Name,Last
                                                                            Name,Suffix | Supported | 
                                                                    
                                                                        | Addresses :
                                                                            Business,Home ,Other | Supported | 
                                                                    
                                                                        | Other: Nick Name,
                                                                            Birthday | Supported | 
                                                                    
                                                                        | Other :
                                                                            Anniversary,Location | Supported | 
                                                                    
                                                                        | Fax
                                                                            (Home,Business,Other) | Supported | 
                                                                    
                                                                        | Suffix | Supported | 
                                                                    
                                                                        | Personal Web Page | Supported | 
                                                                    
                                                                        | Account | Not Supported | 
                                                                    
                                                                        | Billing Information | Not Supported | 
                                                                    
                                                                        | Business Address PO
                                                                            Box | Not Supported | 
                                                                    
                                                                        | Children | Not Supported | 
                                                                    
                                                                        | Computer Network
                                                                            Name | Not Supported | 
                                                                    
                                                                        | Customer ID | Not Supported | 
                                                                    
                                                                        | Flag Status | Not Supported | 
                                                                    
                                                                        | Follow Up Flag | Not Supported | 
                                                                    
                                                                        | FTP Site | Not Supported | 
                                                                    
                                                                        | Government ID
                                                                            Number | Not Supported | 
                                                                    
                                                                        | Hobbies | Not Supported | 
                                                                    
                                                                        | Home Address PO Box | Not Supported | 
                                                                    
                                                                        | Internet Free/Busy
                                                                            Address | Not Supported | 
                                                                    
                                                                        | Other Address PO
                                                                            Box | Not Supported | 
                                                                    
                                                                        | Personal home page | Not Supported | 
                                                                    
                                                                        | PO Box | Not Supported | 
                                                                    
                                                                        | Referred By | Not Supported | 
                                                                    
                                                                        | Reminder Topic | Not Supported | 
                                                                    
                                                                        | Title | Not Supported | 
                                                                    
                                                                        | User Field 1,2,3,4 | Not Supported | 
                                                                    
                                                                        | If you are
                                                                            migrating the Contact from one mailbox to
                                                                            another tenant mailboxes. | Your contact location
                                                                            will be under the main contact folder of the
                                                                            tenant account. | 
                                                                
                                                            
                                                         
                                                     
                                                 
                                             
                                         
                                        
                                        
                                        
                                            
                                                
                                                    
Shortcomings and Limitations
                                                
                                                
                                                    
                                                        
                                                            
                                                                
                                                                    
                                                                        | Limitation | Reason | 
                                                                
                                                                
                                                                    
                                                                        | If You migrate data
                                                                            into Office 365
                                                                            itself or in PST File format VCF property
                                                                            will maintain. | Aspose Supported VCF
                                                                            Field if migrated into
                                                                            Office 365 or PST File format. | 
                                                                    
                                                                        | If you Migrate
                                                                            Contact Into Public
                                                                            Folder or online archive folder | Supported | 
                                                                    
                                                                        | If you migrate the
                                                                            Contact into PDF, EML
                                                                            or MBOX | It will Save VCF as in
                                                                            the Attachment. | 
                                                                
                                                            
                                                         
                                                     
                                                 
                                             
                                         
                                        
                                     
                                    
                                        
                                        
                                            
                                                
                                                    
Calendar Features (Supported & Not
                                                        Supported)
                                                
                                                
                                                    
                                                        
                                                            
                                                                
                                                                    
                                                                        | Feature Point | Description | 
                                                                
                                                                
                                                                    
                                                                        | Demo Version
                                                                            License | Multiple Accounts
                                                                            Through Assign
                                                                            Impersonation Option | 
                                                                    
                                                                        | Folder Structure | Flat level Hierarchy
                                                                            Supported | 
                                                                    
                                                                        | PST file Naming
                                                                            Convention | the default file will be
                                                                            created with the
                                                                            username id. | 
                                                                    
                                                                        | Attachment | Supported | 
                                                                    
                                                                        | Date Filter | Not Supported | 
                                                                    
                                                                        | Special Characters
                                                                            / Foreign Language
                                                                            Names | Supported | 
                                                                    
                                                                        | Recurrence | Supported In Office 365
                                                                            Mailbox Or PST | 
                                                                    
                                                                        | Folder Colour | Not Supported | 
                                                                    
                                                                        | Attendees | Supported | 
                                                                    
                                                                        | Resources | Supported | 
                                                                    
                                                                        | Notification | Supported | 
                                                                    
                                                                        | Future Events | No limit | 
                                                                    
                                                                        | All Day Event | Supported | 
                                                                    
                                                                        | Reminder | Supported | 
                                                                    
                                                                        | Categories | Supported | 
                                                                    
                                                                        | Location | Supported | 
                                                                    
                                                                        | Other Calendars | Supported | 
                                                                    
                                                                        | Attendees status | Supported | 
                                                                    
                                                                        | Group Calendars | Not Supported | 
                                                                    
                                                                        | Birthday Calendars | Supported | 
                                                                    
                                                                        | United States
                                                                            Holiday | Supported | 
                                                                    
                                                                        | If you are
                                                                            migrating the calendar from one mailbox to
                                                                            another tenant mailboxes. | It will show under the
                                                                            Calendar item hierarchy under the main
                                                                            Calendar folder of the destination tenant
                                                                            account. | 
                                                                    
                                                                        | If you are
                                                                            migrating the calendar from one mailbox to
                                                                            another tenant Public folder. | The Meeting and
                                                                                Event calendar can’t be
                                                                                migrated into the
                                                                            Public folder. | 
                                                                
                                                            
                                                         
                                                     
                                                 
                                             
                                         
                                        
                                        
                                        
                                            
                                                
                                                    
Shortcomings and Limitations
                                                
                                                
                                                    
                                                        
                                                            
                                                                
                                                                    
                                                                        | Limitation | Reason | 
                                                                
                                                                
                                                                    
                                                                        | All folders present
                                                                            even if they are
                                                                            outside the date filter’s range | The application is
                                                                            designed for
                                                                            pre-processing the folders first and then
                                                                            the files. | 
                                                                    
                                                                        | User Categories
                                                                            aren’t automatically
                                                                            migrated. | Implemented | 
                                                                
                                                            
                                                         
                                                     
                                                 
                                             
                                         
                                        
                                        
                                        
                                            
                                                
                                                    
Known Issues
                                                
                                                
                                                    
                                                        
                                                            
                                                                
                                                                    
                                                                        | Issue | Reason | 
                                                                
                                                                
                                                                    
                                                                        | Requests Timed Out
                                                                            in Logs | Slow Internet connection | 
                                                                    
                                                                        | Calendar migration
                                                                            into File format &
                                                                            other email clients. | Calendar migrated in the
                                                                            form of ics into
                                                                            file format & Client. | 
                                                                
                                                            
                                                         
                                                     
                                                 
                                             
                                         
                                        
                                     
                                 
                             
                         
                     
                    Conclusion
                    Before you use the SysInfo Office 365 Backup Tool, it's important to understand its support for emails, contacts, and calendars. By ensuring compatibility and meeting the necessary conditions, you can confidently protect all your essential Office 365 data. Hope this write-up helps in informed and smart conversion/migration.