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How do I copy a large number of emails to an IMAP folder in Thunderbird?

Fresh5 days ago
Mar 15, 202625409 views
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Problem

I am migrating all my email to a new server. I have about 10 accounts in 10 different folders in Mozilla Thunderbird. I have been using pop3 in the past, but on the new server I want to use imap. I have created all the imap accounts on the new server and I want to copy over all the emails on their …

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Fix for: How do I copy a large number of emails to an IMAP folder in Thunderbird?

Low Risk

I have used Thunderbird to move large quantities of messages from Local to imap. You'll need to ensure that your local folders are indexed properly, and then start with smallish chunks and keep adding more until you get to a comfortable number. The …

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