How to Export Thunderbird Emails to Outlook 365

Mozilla Thunderbird VS Outlook 365

Reasons to Migrate Thunderbird Emails to Outlook 365

Some substantial reasons for Thunderbird to Outlook migration are as follows:

• Office 365 offers advanced tools for data sharing, communication, and teamwork.
• Allows to migrate to Microsoft’s cloud services with monthly rental options.
• Office 365 cloud servers provide more storage and enhanced security options.
• Also, Outlook 365 provides enhanced mobility across multiple platforms.
• Moreover, Outlook supports SharePoint and MS Exchange Servers providing fast synchronization.

Best Techniques to Export Thunderbird Emails to Outlook 365

We are well aware that MS Outlook 365 as O365 does not support the MBOX file format. In this section, we will learn about two different methods to transfer MBOX emails from Mozilla Thunderbird to Outlook. The first is a manual way and the second is using a professional tool. Further, a complete elaboration on both methods is provided in detail.

Method 1: Import MBOX to Outlook 365 Manually

This method involves using the drag-and-drop feature. Firstly, save the Thunderbird emails as EML files and later import them to Microsoft Outlook. Follow the steps given below:

1. Launch Mozilla Thunderbird and select the email messages that you want to save as EML files.
2. Now, choose either of the given ways:
   • Right-click selected email messages and click Save As.
   • Or drag and drop the selected messages at any desired location.
3. Further, open Outlook and right-click on your email. Select the Create New Folder option and enter the name. Click OK.
4. Finally, drag and drop the saved EML files to Outlook’s new folder.

Method 2: Migrate Mozilla Thunderbird Files to MS Outlook Using IMAP

Here, we will sync Thunderbird and Outlook accounts through Gmail. Follow the steps below:

1. Sign in to your Gmail account and tap the Settings icon
2. Click the Forwarding and POP/IMAP tab. Now, provide IMAP access by selecting the Enable IMAP option.
3. Launch Mozilla Thunderbird and choose Email in the New Account option.
4. The Account Setup window appears. Enter your details and click Continue.
5. Select IMAP configuration and click Done.
6. Afterward, open Outlook and hit the Settings icon. Select Add Account and enter Thunderbird credentials.
7. Further, click the File >> Open & Export >>Import/Export >> Export to a file option and click Next.
8. Select the (.pst) file option and click Next. In addition, select Thunderbird saved emails folder. Specify the destination to save and click Finish.

Demerits of Manual Procedure

• The manual method doesn’t ensure the maintenance of the folder's hierarchical structure.
• There is a high risk that you may lose your crucial data while doing the migration process.
• Non-technical and technical users face difficulties while understanding the procedure.

Automated Solution to Export Thunderbird Emails to Outlook 365

SysInfo Thunderbird to Office 365 Converter Tool is the most comprehensive and efficient utility. It helps users to export Thunderbird Emails smoothly without losing their crucial data. Also, it includes all mailbox items of Mozilla Thunderbird, such as tasks, inboxes, calendars, and many more. Some additional exclusive features of this tool are:

• It allows batch conversion of MBOX files at a time.
• Maintains the original folder hierarchy after conversion to PST file
• Provides multiple file formats and various email clients to which you can export MBOX files.
• Allows you to check the preview of your email messages before saving them.
• Highly compatible with all the latest and old Windows-based systems.

Steps to Import MBOX to Office 365

1. Download and run the tool on your local system and select the Thunderbird file location. Click Next.
    
2. After that, preview and select the files for the migration process of Thunderbird to Office 365. Click the Next button.
    
3. Go to the Save As option > select Office 365 > authenticate the login process.
    
4. You can opt for various features, if necessary. Click the Convert button.
    

Conclusion

To conclude, we first understood about Thunderbird and Outlook 365. Further, we have discussed two different methods (manual and professional) to export Thunderbird emails to Outlook 365. You can choose any of them at your convenience. However, manual methods prevail with limitations that can affect your data. Therefore, it is suggested to opt for the expert tool. It will save you time and cost and is secure.