Modifying this control will update this page automatically
![](https://help.apple.com/assets/5BFDD3F8094622802EEE504F/5BFDD3F9094622802EEE5056/en_US/937fa92677a2c49a18fa81070e5d8419.png)
If the Dock on your Mac contains an icon with a question mark
If an app’s icon is in the Dock and you delete the app from your Mac, the icon remains in the Dock but is covered by a question mark.
Remove the question mark icon: Drag the icon out of the Dock until you see Remove.
To download again an app you purchased from the Mac App Store, see Install and reinstall apps.