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Thunderbird Cannot see emails converted by DRS to MBox

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  • Last reply by sfhowes

I am trying to copy my emails from outlook 2021 to Fastmail. I had thunderbird recommended as well as DRS to convert the files to mbox. This I have successfully done. However when I open the location of the converted emails in thuderbird it says there is no files there. See two differing views in the attached screenshot . Any help would be most welcome.

I am trying to copy my emails from outlook 2021 to Fastmail. I had thunderbird recommended as well as DRS to convert the files to mbox. This I have successfully done. However when I open the location of the converted emails in thuderbird it says there is no files there. See two differing views in the attached screenshot . Any help would be most welcome.
Attached screenshots

All Replies (4)

There are two methods for importing mbox files.

1. Use the excellent add-on ImportExportToolsNG (or similar name).

2. Close Thunderbird, move the mbox files to the right location in your Thunderbird profile, open Thunderbird.

Help/Troubleshooting Info, Profile Folder, Open Folder, close TB, copy the mbox file to Mail/Local Folders, remove the .mbx extension, restart TB and find the folder under Local Folders in the Folder Pane.

(This works with the non-MS Store version from thunderbird.net.)

sfhowes said

Help/Troubleshooting Info, Profile Folder, Open Folder, close TB, copy the mbox file to Mail/Local Folders, remove the .mbx extension, restart TB and find the folder under Local Folders in the Folder Pane. (This works with the non-MS Store version from thunderbird.net.)

Does it not work with the Microsoft Store version?

It works with the store version, but the profile is in a different location:

https://support.mozilla.org/en-US/questions/1434631

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