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Mail program problem

My Mail program has been sluggish but as a result of an overnight upgrade I'm stuck in a loop with message Mail Message Import preparing to import --have tried all the usual going in and coming back in after restarts and shutdowns.

iMac 21.5″, macOS 10.15

Posted on Dec 26, 2020 10:14 AM

Top-ranking reply

The_Knowledge_Seeker

Level 4

3,486 points

Posted on Dec 26, 2020 11:38 AM

Try this:

Quit Mail
Go to Finder
Hit Shift-Command-G to 'goto' a folder.
Enter ~/Library/Mail/V8/MailData as the folder to visit
Remove all files called anything starting with "Envelope index" (or just drag them to the desktop to 'hide' them from Mail).

For example:

Envelope indexEnvelope Index

Envelope Index-shm

Envelope Index-wal

Then re-open Mail.

It should start the Mail Upgrade again but may finish this time.

A full upgrade should take under an hour generally, but it depends on how many eMails you have.

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Mail program problem

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