Reinstalling the Messages.app?
How to reinstall Messages.app v13 on a Macbook Air OS v10.15.7?
MacBook Air 13″, macOS 11.7
User profile for user:
Sparks0829
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Community Specialist
Hi there Bittersweet522,
Messages is a built-in app on your MacBook Air that's included with macOS Catalina. Have a look at this link to view a list of included apps: Apps included on your Mac - Apple Support
If you're having difficulty accessing Messages, try using Finder with these steps:
* From the Finder: Click the Finder iconin the Dock, click Applications in the Finder sidebar, then double-click the app icon.
You'll find more information about opening apps on your Mac here: Open apps and documents on Mac - Apple Support
Take care.