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Missing mails after moving from folder to folder

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I have used Thunderbird to transfer my emails from one provider to another by creating an account for each and then dragging and dropping the mails from inbox and sent mail between the accounts. Everything seems to be working properly and I have therefore deleted the old account. But now I discover that a number of emails are missing after the transfer. Is there a way to recover my emails?

I have used Thunderbird to transfer my emails from one provider to another by creating an account for each and then dragging and dropping the mails from inbox and sent mail between the accounts. Everything seems to be working properly and I have therefore deleted the old account. But now I discover that a number of emails are missing after the transfer. Is there a way to recover my emails?

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re : I have therefore deleted the old account. Are you talking about a POP or IMAP account?

If imap, I would immediately try to recreate it in the hope you still can access the server. This time make sure the folders are set up to fully synchronise and download full copies and not just headers. https://support.mozilla.org/en-US/kb/imap-synchronization#w_configuring-synchronization-and-disk-space-usage

Then File > Offline > download/sync now Select 'Mail Messages' and 'Work offline once download.....etc' The select button will show you what folders are selected - note that subfolders would need to be selected. click on OK


In offline mode, select emails and use right click and 'Copy to' and select a folder in 'Local Folders' account to get the copy off the server and onto your computer (Later you can copy them back onto a different server.) OR if transfering to a POP account, you can directly copy them into pop account folders.