How To Reinstall App On Mac

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How To Install App On Macbook

Is it possible to uninstall and reinstall the Mail app without reinstalling the entire OS?

How To Reinstall App On Mac

Sorry, but no.

How To Reinstall App On Mac


Have you tried either rebuilding the particular email account that is having the issue or rebuilding the entire message database?

If you need to remove your TotalAV app from your device, please select your operating system from the list below for full details on how to complete this: Windows 10. Windows Vista, 7 & 8. Cannot see your operating system on the list? Please email Support at support@TotalAV.com. Restart your Mac using one of the following keyboard commands: Command+R — this will reinstall the version of the OS that was most recently installed on your Mac. Command+Option+R — this will reinstall the latest version of the OS that is compatible with your Mac. Use the buttons next to each app to install, update, or open the app. Reinstalling apps from the same Apple ID and App Store country via the Purchases tab does not charge your account again. Additional information about reinstalling apps in the Mac App Store is available on Apple’s support site here.


To rebuild a single or multiple Apple Mail mailboxes:

  • Open the Mail app, and then, select one or more mailboxes.
  • From the Mail app's menu bar, select Mailbox > Rebuild

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To rebuild the Mail app message database:

How To Restore App On Mac

  • Quit Mail (if running)
  • In Finder, navigate to:

    ~/Library/Mail/V3/MailData

  • Drag the following three files to the Trash:
    • Envelope Index
    • Envelope Index-shm
    • Envelope index-wal
  • Relaunch the Mail app.