1. Quit Photoshop Process(es) via Activity Monitor

Before uninstalling Photoshop, you’d better quit this app and end all its processes.

– Open Activity Monitor in the Utilities folder in Launchpad.
– Select the process(es) associated with Photoshop.
– Click Quit Process icon in the left corner of the window.
– Click Quit (or Force Quit) in the pop-up dialog box .

2. Uninstall Photoshop Application

Make sure to log into your Mac with an administrator account, and you will be asked for a password when you try to delete something.

  • Open Finder and navigate to /Applications/Utilities/Adobe Installers.
  • Start the Uninstaller for Adobe Photoshop
  • Select Remove Preferences.
  • Click Uninstall and follow the onscreen instructions to remove the application

3. Sweep out Photoshop Traces in Finder

Though Photoshop has been deleted to the Trash, its lingering files, logs, caches and other miscellaneous contents may be stored stored around the OS X file system. You can manually detect and clean out all components with this app.

– Open the Finder, go to the Menu Bar, open the “Go” menu, select the entry:|Go to Folder… and then enter the path of the Application Support folder: ~/Library

– Search for any files or folders with the program’s name or developer’s name in the ~/Library/Preferences/,~/Library/Application Support/ and ~/Library/Caches/folders. Right click on those items and click Move to Trash to delete them.

– Meanwhile, search the following locations to identify and delete associated items:
/Library/Application Support/

Besides, there may be some kernel extensions or hidden files that are not obvious to identify or locate. In that case, you can do a Google search about the components for Photoshop. Usually kernel extensions are located in /System/Library/Extensions and end with the extension.kext, while hidden files are mostly located in your home folder. You can use Terminal (inside Applications/Utilities) to list the contents of the directory in question and delete the offending item.

4. Empty the Trash to Permanently Remove Photoshop

If you are determined to delete Photoshop permanently, the last thing you need to do is emptying the Trash. Notice: you can not undo this act, so make sure that you haven’t mistakenly deleted anything before doing this act.

– Right click on the Trash in the dock.
– Choose Empty Trash in the list.

In case you cannot empty the Trash, reboot your Mac and do it again. If you change your mind about deleting something, before emptying the Trash, you can right click on the items in the Trash and choose Put Back in the list.

That’s all. After performing these steps you should have successfully remove Photoshop and its associated files.