How to Reset Default App Settings Back to Recommended Values in Windows 11

Method 1Reset All Default Apps via Settings

To reset all default apps in Windows 11 back to recommended values, open Settings, go to Apps, and choose Default apps. Scroll to the bottom of the page and click the Reset button next to Reset all default apps. This clears every custom file association and returns each file type and protocol (such as https: for web links) to the Windows default.

This works the same on Windows 11 Home and Pro. The reset applies to your user account, so other people who sign in to the PC keep their own choices. On work PCs, your organization may manage some defaults, such as web link handling, and the reset may not change those. You do not need to restart afterwards.

1. Press Win+I to open Settings⚙️. The Settings window opens with a list of categories on the left.

2. Click Apps in the left-hand sidebar.

3. Click Default apps on the right side of the window. A searchable list of installed apps appears.

4. Scroll all the way down to the bottom of the Default apps page until you see the Reset all default apps section.
5. Click the Reset button.
6. Wait a few moments while Windows clears the existing protocols and file associations. A checkmark appears next to the button when the process finishes.

There is no undo button for this reset. If you want a browser, PDF reader or media player back as your default afterwards, set it again from the same Default apps page. The reset also puts the Microsoft apps back as defaults, so web links may open in Microsoft Edge until you change them.

If you only need to fix one app or one file type, you do not have to reset everything, and you can skip the registry. Go to Settings › Apps › Default apps and use the search box to find the app or the file type, such as .pdf. On the app’s page, click the Restore default button if it is shown. You can also set a single file type individually by choosing it in the list and picking the app you want. Try this before Method 2, because it changes only what you select and carries less risk.

Method 2Restore a Specific File Type via Registry

To restore a specific file type to its recommended default app without resetting everything, use Registry Editor. Delete the user choice registry key for that exact file extension. Windows then forgets your custom program choice and goes back to the original recommended application for that file type.

Registry Editor is a database for low-level system and app settings. It holds the key configuration for your user profile, and mistakes here can cause unexpected system behavior. The key you need sits at this location, where .ext stands for the file extension you want to fix, such as .pdf:

🗝️HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExtscopy\.ext\UserChoice

Windows protects the UserChoice key. That is why you may see a permissions error when you try to delete it.

Before you delete anything, create a System Restore point. Search for “Create a restore point” in the Start menu, open it, and click Create on the System Protection tab. If the Create button is greyed out, System Protection is turned off for that drive and you need to turn it on first. Then export the exact key: right-click it, choose Export, and save the .reg file somewhere safe. To undo the change later, double-click that file and confirm the merge.

1. Press Win+R to open the Run dialog box.
2. Type regedit and press Enter to open Registry Editor. Click Yes if the User Account Control prompt asks for administrative permission.
3. In the left sidebar, expand the folders one at a time to reach the FileExts path shown above. Then expand the subkey for your file extension, for example .pdf. You should see a UserChoice key beneath it.
4. Right-click the UserChoice key for that extension and select Export. Save the file, then confirm it exists before you continue.
5. Right-click the same UserChoice key and select Delete. Confirm the prompt if one appears.
6. If Windows refuses with a permissions error, the key is protected. First check that you are under 🗝️HKEY_CURRENT_USERcopy and on the right extension. If the error continues, use the per-file-type reset in Settings instead.
7. Close Registry Editor.
8. Open Task Manager📊 (a tool that lets you monitor and stop running background processes) by pressing Ctrl+Shift+Esc. Find Windows Explorer📁 in the Processes list, right-click it, and select Restart. The taskbar🖥️ and desktop flicker briefly and the change takes effect. Alternatively, sign out of your user profile and sign back in.

The next time you open a file of that type, Windows may ask which app to use. Pick the one you want and decide whether to make it the default.

Method 3Registry Cleanup for a File Type

Sometimes a default app keeps reverting even after you change it. This usually means corrupted or conflicting registry entries are tied to that file type. Deleting the leftover user choice keys in Registry Editor makes Windows drop the broken associations, clear the conflicting settings, and rebuild the file handler link from scratch.

Incorrect changes to the registry can corrupt your system configuration, so proceed carefully. Before the delete step, create a System Restore point as described in Method 2. Then export the exact key you plan to remove, so you can restore it if something goes wrong.

1. Press Win+R, type regedit, and press Enter to open Registry Editor.
2. In the left-hand directory tree, navigate to HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts.
3. Look for subkeys or values related to user choice overrides that might be locking your file types into a loop. Check only the file type that is misbehaving, and leave the rest alone.
4. Right-click the problematic subkey and choose Export. Save the .reg file in a safe place.
5. Right-click the same string or subkey and choose Delete. Confirm the prompt if one appears.
6. Restart your🔄 computer, or restart Windows Explorer📁 through Task Manager📊, to finish removing the stale cache. A full restart is the more reliable choice if the old app still opens afterwards.

What to do next

Check that the reset worked by opening a few common files:

• Double-click a PDF and see whether it opens in your preferred reader.
• Double-click a JPEG image and check the viewer or editor that launches.
• Click an HTML file or a web link and confirm it opens in your chosen browser.

If an app keeps taking back its associations, open that program’s own settings and turn off its option to check or set itself as the default at startup. Otherwise it will undo your changes the next time it runs.