How to Export Emails from Thunderbird to Office 365 Manually

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Are you looking for a solution to solve how to export emails from Thunderbird to Office 365 queries? Then this blog can help you to overcome from the Thunderbird to Outlook 365 migration issue. In this blog, you can get a manual method to export Thunderbird mails to Office 365 but the manual method has some limitations so we will also explain an alternative solution. Therefore, read this blog till the end and get an efficient solution for solving your query.

Manual Method for how to export Emails from Thunderbird to Office 365

To export Thunderbird emails to Office 365, you have to follow multiple parts –

Part 1. Export Thunderbird emails as EML format.

  • Launch Thunderbird on your computer screen.
  • Select messages which you want to save in Office 365.
  • Drag them and drop at any location. These messages will be saved as .eml file format.

Part 2. Import Exported EML Mails in Windows Live Mail

  • Install Windows Live Mail in your system & configure it with any login id.
  • Open Windows Live Mail and create any new folder in it.
  • Now open the newly created folder of WLM. Select all saved EML files.
  • Then drag them & drop in the newly created folder.
  • Check all imported mails.

Part 3. Export Windows Live Mail Emails in Outlook

  • Now install Outlook in your system. (Make sure that Outlook & Windows Live Mail should install in same machine.)
  • Now launch Windows Live Mail and go to File Menu.
  • Then select Export & Export Messages option.
  • Now choose MS Exchange option and then select the folder which you want to save in Outlook.
  • Process will start and complete with a message.
  • Check your all-exported messages in Outlook.

Part 4. Export PST from Outlook

  • Re-launch Outlook on your desktop screen.
  • Then go to File Menu and Open & Export option.
  • After that, choose ImportExport Tools >> Export to a File.
  • Then Select Outlook data file (.pst) option and browse location to save PST from Outlook. Click on Ok button.

Part 5. Import PST in Office 365

Now you can import PST file in Office 365. Although, O365 has no import or export option for PST file but by using a shipping drive method, you can import them in Office 365. So read this post to know how to import PST file in Office 365 – https://www.pcvare.com/blog/how-to-copy-pst-file-in-outlook-365-manually/

Limitations of the Manual method

  • The manual method is a very time-consuming process so it takes your lots of time.
  • The manual method is not a perfect method so it may fail due to technical problems.
  • It requires technical skills so non-technical users cannot follow it properly.
  • It may lose your data if you don’t follow it properly.
  • It is risky for your data.

Alternative Method for How to Export Thunderbird emails to Office 365

If you don’t want to follow the given manual method then you can go with Thunderbird MBOX Converter that can directly export Thunderbird MBOX files to Office 365 with the exact outcome. Thunderbird supports MBOX file format and users can get it from Thunderbird message stored location –

For Windows PC- Go to Start and search %appdata% then choose Roaming>> Thunderbird >> Profile.

Thunderbird stores its data in without extension file (inbox, outbox, sent items, draft, etc.) so you can rename the files with .mbox (inbox.mbox, outbox.mbox, draft.mbox, etc.).

You can export Thunderbird messages to Office 365 without missing any details by using the app. It can export Thunderbird MBOX files to other user profile of O365 admin account. It provides multiple beneficial functions. You can download it and export 25 emails from each selected MBOX File into Office 365 at free of cost. So you can know how to export emails from Thunderbird to Office 365 at free of cost.

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