The three ways to remove an app from your Mac
Most Mac applications can be removed in one of three ways: dragging the app to the Trash, using the app's own uninstaller, or removing it through System Settings. The method that works depends on how the app was installed and whether it left behind supporting files you want to clean up. For most everyday apps downloaded from the App Store, dragging to Trash is enough. For apps installed from a website or that came with your Mac, you may need a different approach.
The reason these methods exist is that Mac apps can store data in multiple locations — the main process file is just one piece. When you delete an app by dragging it to Trash, you remove the visible program but leave behind preferences, caches, and support files scattered in hidden folders. For most people this does not matter. But if an app is misbehaving or you want to completely remove every trace of it, you need to know where those hidden files live and how to find them.
Key Takeaways
- Dragging an app to Trash removes the program itself but leaves behind hidden preference files and caches in your Library folder.
- Apps downloaded from the Mac App Store can be uninstalled directly from Launchpad or System Settings without leaving significant leftover files.
- Some apps come with their own uninstaller program that removes the app and its supporting files in one step.
- To remove all traces of an app including hidden files, you need to manually delete folders in your Library — specifically the Preferences, Caches, and process Support folders.
- Emptying the Trash after uninstalling is a separate step; files stay recoverable until you do this.
Dragging an app to Trash: the quickest method
Open Finder and click Applications in the sidebar. Locate the app you want to remove, right-click it, and select Move to Trash. The app disappears from your Applications folder when ready. You can also drag the app icon directly to the Trash icon in your Dock if you prefer.
This method works for any app on your Mac, but it is incomplete. The app's main program file is gone, but macOS leaves behind hidden folders containing the app's preferences, saved settings, caches, and support files. These leftover files take up minimal space and rarely cause problems. However, if the app was buggy or you plan to reinstall it later and want a completely fresh start, you will need to remove these hidden files separately.
After moving an app to Trash, it still sits in your Trash bin until you empty it. Right-click the Trash icon in your Dock and select Empty Trash, or open Trash and click Empty in the upper right. Once you empty Trash, the app is no longer recoverable.
Uninstalling apps from the Mac App Store
If you downloaded the app from the Mac App Store, you have two built-in options that are cleaner than dragging to Trash. Open Launchpad (the grid icon in your Dock, or swipe up with four fingers on your trackpad), find the app, and click and hold its icon until a menu appears. Select the X button or Remove option. The app uninstalls when ready without leaving a Trash step.
Alternatively, open System Settings, click General in the sidebar, then select Apps. Scroll to find the app you want to remove, click it, and select Remove. A confirmation dialog appears — click Remove again. This method is useful if you want to see how much space the app is taking up before you delete it.
Mac App Store apps are designed to store their data in a contained location, so removing them this way removes most supporting files automatically. You may still have a small preferences folder left behind, but it is negligible and will not interfere with reinstalling the app later.
Using an app's built-in uninstaller
Some applications, particularly larger or professional software, come with their own uninstaller program. Check your Applications folder for a folder with the app's name — inside you may find an Uninstall or Installer program. Double-click it and follow the prompts. This uninstaller knows exactly which files the app created and removes them all in one process.
Common examples include Adobe Creative Suite apps, Microsoft Office, and some antivirus programs. If you are unsure whether your app has an uninstaller, open Finder, go to Applications, right-click the app, and select Show Package Contents. Look through the folders for an Uninstall or Installer file. If you do not find one, the app does not have a built-in uninstaller and you should use one of the other methods.
Removing hidden preference files and caches
If you want to completely erase an app and all its supporting files, you need to access your hidden Library folder. Open Finder, click the Go menu at the top, hold down Option, and select Library. This reveals the normally hidden Library folder in your home directory. You are now looking at the location where macOS stores app preferences and supporting files.
Navigate to the Preferences folder and look for files with the app's name in them — they often start with "com." followed by the developer name. Delete any files related to the app you are removing. Then go back and check the Caches folder and the process Support folder for folders or files with the app's name. Delete those as well. Be careful to delete only files related to the app you are uninstalling; deleting the wrong files can cause other apps to malfunction.
This process is thorough but requires care. If you are not confident identifying which files belong to the app, it is safer to leave them alone. The hidden preference files take up almost no space and will not cause problems if left behind.
What to do if an app will not uninstall
If you cannot move an app to Trash because it says it is in use, the app is currently running. Open Activity Monitor (search for it in Spotlight by pressing Command-Space), find the app in the list, click it, and select the X button to force quit it. Then try moving the app to Trash again.
If an app still will not delete and you see a message saying you do not have permission, the app may be protected or installed in a system location. Try restarting your Mac and attempting the deletion again. If the problem persists, the app may require administrator credentials to remove — try right-clicking the app and selecting Move to Trash while holding the Option key.
For stubborn apps that resist all standard removal methods, third-party uninstaller tools like AppCleaner exist, but they are not necessary for most situations. AppCleaner automates the process of finding and deleting hidden preference files, but it carries the risk of deleting files it misidentifies as belonging to the app.
Freeing up space after uninstalling
Uninstalling an app frees up the space the program itself occupied, but the amount varies widely. A small utility might use 10 megabytes, while a large process like Final Cut Pro can use several gigabytes. To see how much space you are reclaiming, open System Settings, click General, then select Storage. The list shows each app and how much space it uses. Click an app to see options for removing it.
If you are trying to free up significant space on your Mac, focus on large apps you no longer use, old language packs, or duplicate applications. Removing hidden preference files and caches adds up to only a few megabytes across all your apps combined, so do not expect dramatic space savings from cleaning those up unless you have uninstalled dozens of apps.
Frequently Asked Questions
Does moving an app to Trash actually delete it?
Moving an app to Trash removes it from your Applications folder and makes it invisible in normal use, but the files still exist on your Mac until you empty the Trash. You can recover the app by opening Trash and dragging it back out. Once you empty Trash, the app is no longer recoverable through normal means.
Will uninstalling an app delete my files created with that app?
No. Uninstalling an app removes only the program itself and its supporting files, not documents you created with it. A Word document, a photo edited in an image app, or a spreadsheet remains on your Mac even after you uninstall the program that created it. However, you will not be able to open those files with that app anymore unless you reinstall it.
What is the difference between moving to Trash and using System Settings to remove an app?
Both methods remove the app from your Mac, but System Settings shows you the app's size before deletion and handles the removal in one step without requiring you to empty Trash afterward. For Mac App Store apps, System Settings also removes more of the supporting files automatically. For apps from other sources, the results are similar.
Can I recover an app after emptying the Trash?
Once you empty Trash, standard recovery is not possible. If you need the app again, you must reinstall it from the Mac App Store, the developer's website, or wherever you originally downloaded it. If you are concerned about losing an app, do not empty Trash when ready after uninstalling — wait a few days to make sure you do not need it.
Is it safe to delete files in the Library folder?
It is safe to delete preference and cache files related to a specific app you just uninstalled, but deleting the wrong files can cause other apps to stop working. If you are not certain which files belong to the app, it is safer to leave them alone. They use minimal space and will not cause problems.