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Report a problem with an app in the App Store on Mac
You can report a problem with an app that you downloaded from the App Store on your Mac. You can also request a refund.
Report a problem or request a refund
On your Mac, go to reportaproblem.apple.com, then sign in to your Apple Account.
Click “I’d like to”, then choose an option from the pop-up menu.
Follow the onscreen instructions.
See alsoInstall and uninstall purchases from the App Store on MacTell people about Mac apps available in the App StoreShare purchases with others in your Family Sharing group on Mac