The three ways to uninstall an app on a Mac

Most apps on a Mac can be removed in one of three ways: dragging to Trash, using the Finder's Applications folder, or using the app's own uninstaller. Which method works depends on how the app was installed and whether it left files scattered across your system. For most everyday apps, dragging to Trash is enough. For apps that came with your Mac or ones that installed system-wide components, you may need to do more.

The key difference from Windows is that Mac apps are usually self-contained. When you delete an app on a Mac, you are typically deleting the whole thing in one action. You do not usually need to hunt through settings or run a separate uninstaller program, though some larger apps do include one.

Key Takeaways

  • The simplest removal method is dragging the app from Applications to Trash, then emptying Trash to complete the deletion.
  • Apps that came with your Mac (like Mail or Calendar) cannot be deleted this way and require System Settings to remove.
  • Some apps leave behind preference files and caches even after deletion, which you can find and remove manually if the app keeps reappearing or leaving traces.
  • If an app has its own uninstaller program, running it before deletion ensures all related files are removed at once.

Dragging an app to Trash

Open Finder and click Applications in the sidebar. Locate the app you want to remove, click and hold it, then drag it to the Trash icon in your dock. You can also right-click the app and select Move to Trash from the menu. The app disappears from your Applications folder immediately.

This action does not fully delete the app yet — it moves it to Trash. To complete the removal, right-click the Trash icon in your dock and select Empty Trash. Once you empty Trash, the app is gone and cannot be recovered. If you are unsure about removing an app, you can leave it in Trash for a while and restore it later by opening Trash, right-clicking the app, and selecting Put Back.

Removing built-in apps through System Settings

Apps that came with your Mac — like Mail, Calendar, Maps, Stocks, and Reminders — cannot be deleted by dragging to Trash. Instead, open System Settings, click General in the sidebar, then select Storage. Scroll down to find the app you want to remove, click it, and select Remove or Delete. Some built-in apps cannot be removed at all, and the delete button will not appear for those.

If you remove a built-in app and later want it back, you can reinstall it through the App Store. Search for the app by name, and you will see an Install button instead of the usual Open button. Reinstalling takes a few minutes and restores the app to its original state.

Using an app's built-in uninstaller

Some apps, particularly larger ones like Adobe Creative Suite, Microsoft Office, or Slack, include their own uninstaller program. Check the Applications folder for a folder with the app's name. Open it and look for a file called Uninstall [App Name] or something similar. Double-click it and follow the prompts to remove the app and any related files it installed.

Running the app's uninstaller is the safest way to remove complex applications because it knows exactly which files belong to that app and removes them all at once. If you cannot find an uninstaller in the Applications folder, check the app's support page or documentation — the developer may provide a download link for one.

Finding and removing leftover preference files

After you delete an app, some files may remain on your Mac. These are usually preference files, caches, and support folders that the app created while running. They take up minimal space and do not affect performance, but if an app keeps reappearing or you want a completely clean removal, you can find and delete them manually.

Open Finder, click the Go menu at the top, and select Go to Folder. Type ~/Library and press Enter. You are now in a hidden folder where Mac stores app data. Look for folders named Preferences, Caches, Application Support, and Saved Application State. Inside each, search for a folder or file with the app's name. Drag any matches to Trash, then empty Trash. Be careful to delete only files related to the app you removed — deleting the wrong thing can cause other apps to malfunction.

What to do if an app will not delete

If you try to delete an app and get a message saying it is in use, the app is still running in the background. Open Activity Monitor (search for it in Spotlight by pressing Command-Space), find the app's name in the list, click it, and click the X button at the top left to force it to close. Then try deleting it again.

If you get a message that you do not have permission to delete an app, the app may be protected or installed in a location your account cannot access. Try restarting your Mac and attempting the deletion again. If that does not work, the app may have been installed by an administrator account. Switch to that account or ask the administrator to remove it.

Uninstalling apps you downloaded from the App Store

Apps installed through the Mac App Store can be removed the same way as any other app — drag to Trash or use System Settings. You can also remove them directly from the App Store. Open the App Store, click your account icon in the top right corner, select Purchased, find the app, and click the X or Remove button next to it. Both methods work equally well.

Removing an app from the App Store does not delete it from your Mac immediately. You still need to drag it to Trash or use System Settings to actually remove the files. The App Store just removes it from your purchase history so you can reinstall it later without paying again.

Frequently Asked Questions

Does deleting an app from Applications folder remove it completely?

Dragging an app to Trash removes the main application file, but preference files and caches usually remain in your Library folder. For most apps this does not matter, but if you want a completely clean removal, you can manually delete the leftover files from ~/Library/Preferences, ~/Library/Caches, and ~/Library/Application Support.

Can I recover an app after I empty Trash?

Once you empty Trash, the app is deleted and cannot be recovered through normal means. If the app came from the App Store, you can reinstall it for free. If you purchased it elsewhere, you may need to download it again from the developer's website or use your original installer.

Why does an app keep coming back after I delete it?

Some apps are set to launch automatically at startup or are reinstalled by other software. Check System Settings under General > Login Items to see if the app is listed there, and remove it if it is. If it keeps returning, the app may have a background process still running — use Activity Monitor to force it to close.

Is it safe to delete files from the Library folder?

It is safe to delete preference and cache files for apps you have already removed, but be very careful to delete only files related to that specific app. Deleting the wrong files can break other applications. When in doubt, leave the Library files alone — they take up minimal space and cause no problems.

What is the difference between moving an app to Trash and using an uninstaller?

Moving to Trash removes the main app file but leaves behind preference files and caches. An uninstaller program knows which files belong to the app and removes them all at once. For simple apps, dragging to Trash is fine. For complex apps like Office or Adobe products, using the uninstaller is more thorough.