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Lost local mail folders after migration to another mail exchange

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  • Ultima risposta di nitesh260

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Hi friends,

I have been using Thunderbird client for my company emails. Recently, I have upgraded the client to the latest version 78.7.1 (32-bit) and my company also migrated their mail servers to O365. I stored all my old emails in a local folder (D:\Mails). I gather there should be 3 files with the same name; one with .sbd, 2nd with .msf and 3rd with no extension (may be mbox).

After the above 2 upgrades/migrations, I can't find any of my old emails on the client and the local folder location still points to D:\Mails. When I go to D:\Mails, I don't see any files without the extension (mbox files) but can see .sbd and .msf files.

Please advise if there is a way to get my emails back. Thanks much in advance !!

Regards, Nitesh

Hi friends, I have been using Thunderbird client for my company emails. Recently, I have upgraded the client to the latest version 78.7.1 (32-bit) and my company also migrated their mail servers to O365. I stored all my old emails in a local folder (D:\Mails). I gather there should be 3 files with the same name; one with .sbd, 2nd with .msf and 3rd with no extension (may be mbox). After the above 2 upgrades/migrations, I can't find any of my old emails on the client and the local folder location still points to D:\Mails. When I go to D:\Mails, I don't see any files without the extension (mbox files) but can see .sbd and .msf files. Please advise if there is a way to get my emails back. Thanks much in advance !! Regards, Nitesh
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Tutte le risposte (2)

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The existence of a .sbd folder suggests that you created subfolders on the server. Each subfolder would correspond to mail file without a file extension underneath the .sbd folder.

Have you replicated the existing folder structure on the server underneath 'Local Folders'? And have you copied messages per subfolder to Local Folders?

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Hi Christ,

Thanks for your response and you are spot on.

Yes, each folder has a number of sub folders. I can see the mails in each of the sub folders if I import them separately to Local Folders as they have a mail file without an extension however the majority of the emails are in the root/base folder which does not have a mail file and hence 95% of the emails are not to be seen.

Eg: Local folders

 Customer 1  << most of the emails are in this location but it does not have the mail file with no extension
   Folder 1A  << able to access the emails here as it has the mail file with no extension (very few emails)
   Folder 1B  << able to access the emails here as it has the mail file with no extension (very few emails)
   ..
 Customer 2  << most of the emails are in this location but it does not have the mail file with no extension
   Folder 2A  << able to access the emails here as it has the mail file with no extension (very few emails)
   Folder 2B  << able to access the emails here as it has the mail file with no extension (very few emails)
   ..

.. ..

Thanks, Nitesh

Modificato da nitesh260 il