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@getaaron
Last active June 26, 2024 17:41
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Enable iMessage (Messages) Subject Field in macOS Big Sur through Sonoma

Want the Subject field (for bold iMessages) in macOS’ Messages app?

  1. Quit Messages
  2. Open Terminal
  3. Run defaults write com.apple.MobileSMS MMSShowSubject 1
  4. Start Messages

This worked for me on a fresh install of macOS 14.1.1 (23B81) (new Mac mini).

@2xsaiko
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2xsaiko commented Jun 26, 2024

I mean that's really it, I just added it to the top level dict as I said. To the end that is, after I ran Messages again it rewrote the file and placed it somewhere in the middle, that's why it's no longer at the end in the paste.

It's probably safer to tell people to edit it with Xcode instead, there's no risk of messing up the file that way...

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