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How do I go back to an older version now that I made a mistake of being on verion 128 Nebula ...

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I tried to get a copy from timemachine (backup) and it complained that the profile is from a newer version. TB is full of bugs and horrible UI "features" that suck - simple things like changing column width for example.

I tried to get a copy from timemachine (backup) and it complained that the profile is from a newer version. TB is full of bugs and horrible UI "features" that suck - simple things like changing column width for example.

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First, I don't recommend it, as you will need to upgrade eventually and 128 is being actively upgraded. But, since you want to revert here are the steps used in Windows - I don't know how to restate for a Mac:

  1. Exit Thunderbird if running.
  2. click windows key and 'r' key
  3. Enter: thunderbird.exe -P --allow-downgrade
  4. click on 'OK'

I am surprised that your backup software didn't back up the profile as well. We are routinely seeing that proprietary backups often fail users. All the best on doing the restore.

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Thanks David - it did backup the profile - but I didn't want to revert back to the profile - since the new profile contains new emails. Using standard Mac Timemachine. I'll hang in there and see the improvement.

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) I agree, there are bugs, but staying the course is my bet. The menus are a bit confusing at first, but after using 128 for a few weeks, I like the layout. Best wishes to your continued success.

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