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moving emails from a folder to another folder has become very slow (pop, win10)

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I have a very large profile (9GB) with several email accounts, one having several hundred folders. Lately, moving emails from one folder to another has slowed down very much. Task Manager shows 90 - 100% disk when moving emails.

I have a very large profile (9GB) with several email accounts, one having several hundred folders. Lately, moving emails from one folder to another has slowed down very much. Task Manager shows 90 - 100% disk when moving emails.

Modified by Wayne Mery

All Replies (4)

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Moving email on the local disk, or using IMAP and so every move has a load of overhead in messaging back and forth with the server?

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These email accounts are not IMAP, they are POP.

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I would suspect something on your system. See https://wiki.mozilla.org/Thunderbird:Testing:Memory_Usage_Problems

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To clarify, all emails that are moving are on the local disk, some folders are larger than 2GB.