How To Uninstall Adobe Lightroom 3

1. The standard and easiest way to uninstall Adobe Lightroom 3:

First, we need to make sure the app isn't running, so lets open Force Quit (from the Apple menu on the top left of your screen) and terminate the app if you see it running:


 - Now, open your Applications folder.
 - Right-click on "Adobe Lightroom 3".
 - Click on "Move to Bin" (or "Move to Trash" on older versions of macOS)

2. How to remove Adobe Lightroom 3 using the Terminal:

 - Open the macOS Terminal from Applications > Utilities.
 - Type killall "Adobe Lightroom 3", hit ENTER
 - Type rm -rf "/Applications/Adobe Lightroom 3.app", then hit ENTER.
 - If that fails, try typing sudo rm -rf "/Applications/Adobe Lightroom 3.app"
 - Now type rm -rf ~/Library/Caches/com.adobe.lightroom3, hit ENTER.

This will remove Adobe Lightroom 3 from your Mac, but some supporting and related files will be left behind. Read on for how to remove those.

3. Completely remove Adobe Lightroom 3 and related files using iBoostUp's Uninstaller:

 - Open iBoostUp (download free, or search for it on the App Store).
 - Click "App Uninstaller".
 - Click "Select Application", then select "Adobe Lightroom 3" from the list and click "Uninstall".
 - Enter your password if prompted, you may choose to skip this by clicking cancel — note that skipping this prompt will leave some files behind that you can remove manually, these will be shown as 'skipped' on the results screen.

This will remove Adobe Lightroom 3 and all related files from your Mac.