How do I migrate office 365 to thunderbird?

novagorge — Wed, 11 Mar 2026 12:56:56 GMT

You may migrate your Microsoft 365 email to Thunderbird by syncing your account manually or through a dedicated data conversion tool.

Sync your Microsoft account using IMAP

To sync your account and synchronize your Microsoft 365 emails in Thunderbird, follow these steps:

Open Thunderbird and click the menu.
Select Account Settings from the menu.
Click the Account Actions button and select Add Mail Account.
Enter your Microsoft email address and password.
Allow Thunderbird to automatically detect your server settings or supply the following Microsoft IMAP/SMTP hostnames.

IMAP Hostname: outlook.office365.com
SMTP Hostname: smtp.office365.com

Once your account connects and synchronizes, drag and drop your email messages from your Microsoft 365 email account into Thunderbird's Local Folders area for permanent offline storage.

Automatically migrate Office 365 to Thunderbird (Recommended)

The RecoveryTools Office 365 Email Backup Tool is a preferred solution for automated bulk email migration to save your time and effort associated with syncing manually or managing synchronization errors.

Follow these steps to use the tool:

Download and install the software on your computer.
Sign in using your Microsoft account username and password.
Select the email mailboxes, folders, or archives you would like to export to any of the Thunderbird supported email formats.
Select Thunderbird from the list of extensively detailed saving/format options.
Click the Backup button to transfer your exported email information directly into the default directory for your configured Thunderbird account.

Re: How do I migrate office 365 to thunderbird?

sunilkumarrs123 — Sat, 14 Mar 2026 10:10:51 GMT

Users who easily want to migrate Office 365 to Thunderbird. SysInfo Office 365 Backup Tool is the best utility that can export Office 365 to Thunderbird and many other file formats, such as PDF, EML, MSG, MBOX, and CSV. The tool also migrates Office 365 to many other email clients, like Google Workspace and IMAP. It also provides the option to eliminate duplicates from Calendar, Contact and Task. Moreover, the software supports all versions of Windows and Mac OS.

topic Re: How do I migrate office 365 to thunderbird? in Discussions

How do I migrate office 365 to thunderbird?

Re: How do I migrate office 365 to thunderbird?