Archive Mails are empty

[HouseBeatz]

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I have use the addon to archive a big amount of mails within an IMAP Google account. When I check some archived folders now there are some mails with all the same date, no subject and empty. What can I do to recover? Is there a way to get back alle the mails to my Google account?

Thank you

[Brummolix]

(I speak german, but I will nevertheless answer in english because maybe others are interested).

You can move back the mails from the archive folder to your IMAP account via Thunderbird Drag&Drop. The plugin itself has no such mechanism (and also no information where the mails came from).

For the strange and empty mails:
First, I'm sorry, there is no way to recover those mails. Except you have some other backup somewhere.
Do you really miss some mails (are they gone in your original account and now are empty) or are theses empty mails only additional strange new mails.

Which version of Thunderbird do you use?

Also please try to repair the folder:
Click with right button mouse on Folder >> Properties >> Repair Folder

When a mail is lost, do you see any messages in the error console (extras\error console)?

[HouseBeatz]

Unfortunately I did not backup these mails before using the tool. These mails are gone in the imap account, have been moved to the archive but now they are empty. When i move them back they stay empty, no subject, no sender, nothing. Repair doesnt help. Actual Thunderbird Version.

[HouseBeatz]

It seems to be only this directory which has faulty archived mails

[Brummolix]

That's strange. I have never seen this behavior and can not reproduce it.
Therefore it will probably hard to fix.
Also the AddOn does not archive/move the mails itself. Instead it only tells Thunderbird to do so (similar to mark the mails manually and press archive) and it could be also a bug of Thunderbird itself.

Maybe you can find out what makes this folder special, but I guess you won't play russian roulette with our mails any longer.

[HouseBeatz]

Strange thing is, that a small amount of mails have been archived without error - any ideas what i could do to repair them?

[Brummolix]

You can have a look into your Thunderbird Profile directory and see if you find anything inside the msf and/or wdseml files.
But I think their is a high chance that they are lost forever.

[wsmwk]

There are several bug reports which describe losing the message or message body when moving to a local folder https://mzl.la/308Nz8Y