Mail cannot save information about your mailboxes because there isn’t enough space in your home folder.

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dwdx15 Author

Level 1

7 points

Mail cannot save information about your mailboxes because there isn’t enough space in your home folder.

iMac, macOS 10.12

Posted on Sep 22, 2020 9:12 PM

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Answer 1

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dwdx15 Author

Level 1

7 points

Sep 25, 2020 8:44 PM in response to Barney-15E

Thank you, will try that. I think I have found the cause of the original problem. I have an external drive with 500GB of movies, music etc on it. On updating to Catalina and iTunes was replaced by iMovie all those files were copied on to my HD and thus the overload. Only found out by " show in finder " in iMovie list.

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Answer 2

Barney-15E

Level 10

116,776 points

Sep 24, 2020 9:32 PM in response to dwdx15

I did the same, reinstalled and migrated from time machine. BUT now have an extra HD-data-data which I believe will cause problems.

Then, you didn’t erase the drive, you erased one volume on the drive.

Remove the - Data volume that isn’t being used.

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Answer 3

dwdx15 Author

Level 1

7 points

Sep 24, 2020 9:51 PM in response to dwdx15

Alas I was only allowed to erase the HD-data file. How can I tell which file is not being used? 1 has 11.2 GB used the other 863GB used. Somehow my HD "filled up" and this caused the problem in 1st place. Thanks

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Answer 4

Barney-15E

Level 10

116,776 points

Sep 25, 2020 4:09 AM in response to dwdx15

Alas I was only allowed to erase the HD-data file.

You need to "Show All Devices" in Disk Utility. That would allow you to completely erase the drive as opposed to the volumes on the drive.

The 11.2 GB size matches that of the OS volume which should be Macintosh HD.

You installed the OS onto the original - Data volume which caused it to create another - Data volume for it.

Rename the 11.2 GB one Macintosh HD (or whatever you'd like). It will change the other to match.

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Answer 5

Barney-15E

Level 10

116,776 points

Sep 23, 2020 6:04 AM in response to dwdx15

I ended up erasing the drive, reinstalling macOS, and migrating from my Time Machine backup.

I found no other way to fix the problem (though there might be).

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Answer 6

dwdx15 Author

Level 1

7 points

Sep 24, 2020 6:11 PM in response to Barney-15E

I did the same, reinstalled and migrated from time machine. BUT now have an extra HD-data-data which I believe will cause problems.

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Answer 7

dwdx15 Author

Level 1

7 points

Sep 25, 2020 9:47 PM in response to Barney-15E

So have done that and all is working fine .Thank you.

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Mail cannot save information about your mailboxes because there isn’t enough space in your home folder.

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