SysInfo Office 365 Backup Tool

Best Software for Office 365 Mailbox Migration to 20+ Email Clients and File Formats

  (Average Rating 4.8 Based on 1758 rating)
  • Backup Office 365 Mailbox items like emails, attachments, contacts, calendars, etc.
  • Shows an enhanced preview of the mailbox folders of the Office 365 account.
  • O365 Backup Tool enables users to restore the OST or PST file into M365 instantly.
  • Backup O365 mailbox data locally or migrate them to other email clients.
  • It supports OST and PST from all versions of Outlook like 2019, 2016, 2013 & earlier.

*Free Office 365 Backup Tool permits you to backup only 50 items per folder.

Benefits of Office 365 Email Backup Tool

Explore the features of effective Ofice 365 Backup and Restore Software.

When to Use SysInfo Office 365 Backup & Restore Software?

Secure Your Office 365 Data with Reliable, Incremental Backup Solutions – Never Lose Critical Emails, Contacts, or Files Again

Export Office 365 emails into PST

Export

Both Office 365 and Outlook are offered by Microsoft. The use of better emailing platforms for enhanced services has gradually become common among users. However, some possibilities insist users to Export Office 365 Mailbox to PST. Therefore, SysInfo O365 Backup Software is highly suggested for this purpose and can be operated smoothly by novice users too.

Restore the PST file in Outlook 365

Restore

The idea of free mailbox storage may be good, but eventually, you might need your old mailbox items too. Therefore, if you are moving over to Office 365, you probably need to migrate all your essential old emails and other data. Use the Office 365 Backup & Restore tool and restore PST files and Find Old Emails in Office 365 directly. It's a reliable, secure, and quick solution to access PST files in O365 instantly.

Migrate O365 Account to New System

Migrate

If you are about to Transfer Office 365 License to New Computer, the SysInfo Office 365 Backup Tool will be a great help. The software's advanced features and inbuilt filters will ease the migration task. Moreover, the tool is compatible with all versions of the Windows operating system and delivers precise results after migration without any data loss, alterations, or misinterpretations.

Key Features of SysInfo Office 365 Backup Tool Software

Discover Features of SysInfo's Comprehensive Tool for Quick Backup of Office 365 Data.

backup office 365

Backup & Restore Office 365 Mailbox Easily

The Office 365 Email Backup Tool offers an easy solution to Backup and Restore MS Office 365. It scans the added Office 365 account or PST/OST files and reconstructs the mailbox folder in the tree-structure form. Moreover, the tool has a user-friendly interface making the process easier.

office 365

Export O365 Mailbox to Other Platforms

The Office 365 Mailbox Backup Tool is a safe and powerful tool that allows users to export Office 365 mailbox emails to Web & Cloud-based email clients. The tool offers to choose among three options: G Suite, Office, and IMAP. Through IMAP you can migrate to Gmail, Yahoo Mail, iCloud, and more.

multiple file formates

Save Mailbox Data in Multiple File Formats

SysInfo Office 365 Email Backup Solution can export the mailbox data in multiple formats and save them locally. It saves Office 365 data in PST, EML, MBOX, CSV, PDF, and other formats. This option allows the users to access the saved M365 mailbox data through different applications like Outlook, Excel, PDF reader, Thunderbird, etc.

save options

Saving Option: Mailbox/Online Archive/Public Folder

Using this Office 365 Backup Tool, you can take backups of online archive mailboxes, shared mailboxes, user groups & public folder data. Additionally, while transferring to O365 or restoring OST/PST files, you can get the option to import them into the Mailbox, Archive Mailbox, and Public Folder.

Enhanced Preview

Enhanced Preview of the Mailbox Data

The Office 365 Backup & Restore software displays a tree-like preview of all the mailbox folders containing emails, contacts, calendars, tasks, journals, etc. Further, the tool allows you to backup or migrate individual folder emails by selecting them from the Preview Panel.

split pst file

Facility to Split Resultant PST

The Online O365 Backup Tool can also split the resultant large-sized PST files in MB or GB. This optimizes Outlook performance, improves manageability, and overcomes the chances of PST file corruption. SysInfo Office 365 Backup & Restore can also export multiple small PST files to Office 365.

Smart Filtering

Smart Filtering Options

Office 365 Email Backup Tool offers to Remove Duplicate Mail filters that allow you to migrate or backup data without similar items. Save Email Without Attachments allows backup of only email data. Date Filter allows you to filter the selective emails between a specific date range. Thus, you get accurate and compact results after backup.

interactive user interface

Set Impersonation Rights

With the help of the Assign Impersonation feature of the O365 Backup tool, you can open multiple Office 365 mailboxes at a time. All you need to do is add a CSV file containing information on all user accounts. Additionally, by checking the same statement in the Office 365 Restore option, an individual can upload Outlook PST in several O365 profiles.

download files

Download Mailbox Data at Your Choice

The Backup Office 365 email tool allows users to save the backed-up data on any storage media like internal system storage, external hard drives, or computers. They can add a Custom Folder Name for the new file. Further, users can also view and save the detailed log report of the Office 365 email saving process with this simple and interactive software.

Supports

Support all the Version of Windows

Office 365 Backup Tool provides an easy-to-use interface that allows novice users to operate the tool with ease. In addition, the software is compatible with all the versions of Windows like 11, 10, 8.1, 8, 7, and all older versions. You can evaluate the performance and backup 50 emails per folder for free using the Office 365 Email Backup Software Free.

Software Specifications

Follow the SysInfo Office 365 Email Export Tool specifications for ease of working.

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About Product
Version: 25.09
Size: 210 MB
Release Date: Sep 08, 2025
Language Supported: English
Edition: Home, Administrator, Technician, and Enterprise
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System Requirement
Processor: Pentium Class Processor
RAM: 8 GB (16 GB Recommended)
Hard Drive: 512 GB
Supported Windows: 11, 10/8.1/8/7/, 2008/2012 (32 & 64 Bit), and other Windows versions.
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Additional Information

Steps to Backup Office 365 Mailbox Data

Quick Steps to Save or Download Office 365 Mailbox Data to PDF Format

Awards and Reviews

SysInfo's Award-Winning Software Recognized by Experts- Highly Rated in the Best Category

Google
  4.2/5
Trustpilot
  4.6/5
capterra
  4.7/5

SysInfo Office 365 Backup Tool- Demo and Full Version Comparison

A comparison table for Office 365 Backup Software Free & Full Version is given here for users.

Product Features Free Version Full Version
Backup Office 365 mailbox to PST, EML, MBOX, CSV, and PDF formats. 50 Items per folder All
Migrate Office 365 mailbox to Office 365, G Suite, and IMAP Accounts. 50 Items per folder All
Restore PST and OST Files to Outlook 365 50 Items per folder All
Tree-Structured Preview of Mailbox Folder
Choose Source & Destination O365 Mailbox
Assign Impersonation Right
Remove Duplicate Mail
Date Mail Filter
Custom Folder Name
Manage Attachment Files
Windows and Outlook Support
24*7 Tech Support & Secure 100%
Money-Back Guarantee

Frequently Asked Questions

Some common questions and their appropriate answers related to this software

Ans: Follow the simple steps given below to backup Office 365 email into PST:

  1. Launch the Microsoft 365 Migration Tool and select the Backup option.
  2. Enter valid Office 365 Email Credentials. (Select Assign Impersonation to back up multiple mailboxes at once).
  3. Select the user ID and mailbox folder to backup and click Next.
  4. Preview the folders of the chosen mailbox. Select folders and click Next.
  5. Choose the File format as PST from the drop-down list.
  6. Browse the destination path of the saving process and click Convert.

Ans: Yes. The tool is safe to enter the email credentials because we don’t have any database to save these credentials. We do not get any credentials if you enter them into the software.

Ans: Follow the below-mentioned steps to move Office 365 mailbox emails into Gmail:

  1. Start the SysInfo Office 365 Backup Tool and run it as administrator.
  2. Opt with the Backup button and Sign In with your Office 365 ID.
  3. Check the Assign Impersonation option. Select the desired user ID and source mailbox to migrate data.
  4. Preview the data and choose folders from the tree structure to migrate.
  5. Now, select IMAP as a saving option from the Save/Backup/Migrate As list.
  6. Enter Gmail credentials and log in to your Gmail account. Return to the tool.
  7. Then, check the additional features of the software to get accurate results.
  8. Lastly, click the Convert button to start the migration of Office 365 emails into Gmail.

Ans: Yes, of course! You can easily restore MS Office 365 data to any other O365 account with ease. Simply, sign into the source 0365 account from which you need to transfer files, preview, and select them. After that, when required to select saving format, select Office 365 email client. Further, sign into the destination M365 account and hit Convert.

Ans: No, there is no file size limitation to restore a PST file in Office 365. You can import PST files of any size into Office 365 using Office 365 Backup Software.

Ans: Free Office 365 Backup Tool is similarly featured as the premium version. However, it sets a few limits. Such that you can backup or migrate only 50 emails per folder of the Office 365 mailbox. To migrate the entire mailbox and get a better experience, purchase the premium tool.

Ans: Yes, you can choose the “Date Filter” option for migrating only required emails under a date range. This option excludes all unwanted emails and migrates only those between specified dates.

Ans: The SysInfo Office 365 Backup Tool guarantees 100% accuracy and security of the data. There is no additional database added to it for storing the credentials you enter into the software window. Also, it ensures the preservation of the original folder hierarchy and keeps the data intact as before during, and after conversion. You can check for the same in the Preview Panel window.

Ans: This feature is user-friendly and requires no technical expertise, making the process quick and straightforward. However, migrating large amounts of data may take a bit longer, but it remains manageable.

Ans: Office 365 Backup Tool can proficiently Transfer Emails from Office 365 to iCloud as well as contacts through IMAP. Follow the steps below:

  1. Run the software and go along with the Backup button.
  2. Enter the Office email address and details required to Sign In.
  3. Now, select the required folders to migrate and click Next.
  4. Opt with IMAP from the Saves/Backup/Migrate As options.
  5. Enter your required iCloud ID and App password to Sign In.
  6. According to your need choose the inbuilt features.
  7. Finally, click Convert to start the migration of Office 365 emails to iCloud.

Ans: When you are downloading Office 365 data to PST, check the Split Resultant PST option. Specify the sizes of each PST as per MB or GB. After that, the software split the output PST file as per the selected size.

Ans: Yes, this comprehensive software is highly compatible with all MS Office 365 plans. Whether you have a personal, family, business, or enterprise O365 account, all your subscription plans (basic, top-tier, or cloud-based) are suitable along with the software functionalities.

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