How do I change my default program back to unknown app?

Change file association back to unknown program in Windows 10

1. Create a new file with any extension and save it on any location.
2. Next Open Control Panel (icons view), click/tap on the default programs icon.
3. Click/tap on the Associate a file type or protocol with a program link.

How do I Unassociate a program in Windows 10?

bat Now right click any file you want to disassociate and choose ‘Open with’ – ‘Choose another app’ -‘ More Apps’ Check the box marked ‘Always use this app’ Scroll to the bottom and click ‘Look for another app on this PC’ Navigate to the XXX. bat on your Desktop and select that Finally delete XXX.

How do I change a file back to default?

Go to Control Panel > Default programs and select Associate a file type or protocol with a program. 2. From the list of file extensions, select the extension that you want to change the default program to open with and then click Change program. 3.

How do I remove the default program association for file types in Windows 10?

Option 1: Via Windows Settings Step 1: Press Windows + I to open Windows Settings. Step 2: Choose Apps category and click Default apps section in the left pane. Step 3: In the right pane, click the Reset button to reset to the Microsoft recommended defaults.

How do I change back to original format in Windows 10?

How to reset all Apps and File Associations to default in Windows 11/10

1. Press Win+I to open Windows Settings.
2. Go to Apps > Default apps.
3. Scroll down to the bottom.
4. Click on the Reset button.
5. Click the Ok button.

How do I add a program to default programs in Windows 10?

How to set default apps on Windows 10 using Control Panel

1. Open Settings.
2. Click on System.
3. Click on Default apps.
4. Click on Set defaults by app.
5. Control Panel will open on Set Default Programs.
6. On the left, select the app you want to set as default.

How do I change what program opens a file in Windows 10?

In File Explorer, right-click on a file whose default program you want to change. Select Open With > Choose Another App. Check the box that says “Always use this app to open . [file extension] files.” If the program you want to use is displayed, select it and click OK.