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@getaaron
Last active January 1, 2024 06:26
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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).

@jgillin
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jgillin commented Aug 2, 2023

Not working for me on Sonoma Dev. Beta 2 either Messages running or not and I tried sudo also - no avail.

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

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