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TextEdit keeps changing font size from 12 to 14 when I click back into the window

My TextEdit keeps changing font size from 12 to 14 on its own. Default is 12 (I know how to change and check this--it's set at 12 pts) but sometimes when I go to another window (Firefox or Chrome, for example) when I click back the font size changes to 14. It's really annoying since I'm using TextEdit to take notes during Zoom calls. I have to keep 6, sometimes 7, applications running at the same time for work and MS Word (as the 7th or 8th app open) slows things down too much, so I need TextEdit to run properly. I'm on a mid-2012 MacBook Pro 13" using Catalina 10.15.7.

MacBook Pro 13″, macOS 10.15

Posted on Aug 25, 2021 9:18 AM

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Question marked as Best reply

Posted on Aug 25, 2021 9:45 AM

If you create another fresh user account on your Mac, does the problem follow?

(You can delete the account after you've tried it out.)


If rebooting your Mac doesn’t fix things, see if the problem still happens in Safe mode (hold the shift key down at startup). It can take much longer to safe boot (10 min) so be patient.


How to use safe mode on your Mac - Apple Support 


Safe mode forces the OS to clear certain caches and logs and do other miscellaneous housekeeping. It's non-destructive to user data so is safe to do. Very often certain weird software behavior is corrected by simply logging in this way as a troubleshooting method. When you're in safe boot, the machine will not be at its best performance, especially with graphics, but that's normal.


You won't want to conduct any business in safe mode, but sometime just booting this way, logging into your account and then restarting a few minutes late can clear the cobwebs.


Does the problem persist while in Safe mode?

Exit safe mode by restarting your Mac normally and re-evaluate the issue again.

If the problem is still unresolved, please return here and post a reply and we’ll see what else we can come up with for help.

1 reply
Question marked as Best reply

Aug 25, 2021 9:45 AM in response to qfalconer

If you create another fresh user account on your Mac, does the problem follow?

(You can delete the account after you've tried it out.)


If rebooting your Mac doesn’t fix things, see if the problem still happens in Safe mode (hold the shift key down at startup). It can take much longer to safe boot (10 min) so be patient.


How to use safe mode on your Mac - Apple Support 


Safe mode forces the OS to clear certain caches and logs and do other miscellaneous housekeeping. It's non-destructive to user data so is safe to do. Very often certain weird software behavior is corrected by simply logging in this way as a troubleshooting method. When you're in safe boot, the machine will not be at its best performance, especially with graphics, but that's normal.


You won't want to conduct any business in safe mode, but sometime just booting this way, logging into your account and then restarting a few minutes late can clear the cobwebs.


Does the problem persist while in Safe mode?

Exit safe mode by restarting your Mac normally and re-evaluate the issue again.

If the problem is still unresolved, please return here and post a reply and we’ll see what else we can come up with for help.

TextEdit keeps changing font size from 12 to 14 when I click back into the window

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