About the message
When you see this message from the Mac App Store, it doesn’t mean anything is wrong with 1Password. Your data is safe.
What you should do
Try the following steps if 1Password doesn’t start up correctly and you see this message. If one of the steps resolves the issue, you can stop there.
- Restart your Mac.
- Sign out of the Mac App Store. Open the Mac App Store app and choose Store > Sign Out. Then open 1Password and sign in with your Apple ID if asked.
Reinstall 1Password. Drag 1Password from your Applications folder to the Trash. Then install 1Password from the Purchases tab in the Mac App Store.
It’s safe to move the 1Password app to the Trash. This will not affect your vaults, saved data, or settings. Be wary of using an uninstaller app like AppCleaner, AppZapper, CleanApp, and other similar apps. Uninstaller apps prompt you to delete supporting files when moving an app to the Trash, and this can result in accidentally deleting all of your 1Password data.
Get more help
If you’re still seeing “1Password is damaged and can’t be opened”, email us a diagnostics report from your Mac.