
The above discussed methods to migrate Thunderbird email to Office 365 or Microsoft 365 would not be suitable for migrating a large amount of emails, attachments, contacts, etc. The best alternative: For migrating Thunderbird to Office 365
Data Integrity Compromised: Often email formatting or SMTP header is changed.Thunderbird messages to Outlook 365 with large attachment files may take a lot One at a time, to desktop and then to Outlook. Lengthy and Time-Consuming: It would take a lot of time to move each email,.It can only export limited number of conversations. Migrates Limited Emails: The process to transfer Thunderbird emails toĮxchange Online is not meant to move complete email folder containing over 1000Įmails.Verify the transfer process by logging into the O365 or M65 and opening each email one at a time through a browser in EML format.Finally, view the Thunderbird emails on Office 365 or Microsoft 365 Mail App.
On them and select Forward as Attachment.Įmail window in which emails with be added as EML attachments.Īn email ID to migrate Thunderbird to Outlook 365. The messages that need to be imported from Thunderbird to Outlook account. The messages from Desktop folder to this folder in Outlook and your The Folder to open its content on the center panel. Now, this folder will be shown on the left panel of the email application.
Next, click on the OK button to migrate Thunderbird email to Office 365 or Microsoft 365. New folder dialogue box, set a name for the new folder. Select Folder tab and select the New Folder option. The folder in Outlook where the Thunderbird messages will be saved. The desktop folder and save the emails there. On the messages and select Save As option. That, open the message folder where the emails that need to be movedįrom Thunderbird to MS Outlook are saved. The Thunderbird application on the system. Step 1: Save Thunderbird Email to Windows PC Method #1: Import EML Files to Office 365 Methods to migrate Thunderbird mailboxes to Office 365Īs mentioned before, there are several methods ofĬonversion. Methods available for migrating Thunderbird to Office 365 account. So, migrating Thunderbird mailboxes to Office 365 would first require converting all the data into a supported format such as Portable Storage Table (PST) or EML. Firstly, Office 365 or Microsoft 365 doesn’t support MBOX file type that is used in Thunderbird for storing mailboxes-comprising emails, attachments, contacts and calendars, etc. However, migrating Thunderbird emails to Office 365 or any other email client along with attachments is not an easy task. Mozilla Thunderbird mail users are migrating to Office 365 or Microsoft 365 for reasons like security, scalability, availability, collaboration, and affordable subscription-based pricing.