How do I reset associate a file type in Windows 10?

How to Reset File Associations in Windows 10

1. Open Settings.
2. Navigate to Apps – Defaults Apps.
3. Go to the bottom of the page and click the Reset button under Reset to the Microsoft recommended defaults.
4. This will reset all file type and protocol associations to the Microsoft recommended defaults.

How do you change an associate file type?

You can use the keyboard shortcut Windows key + E to open Explorer.

1. Right-click the file you want to change the file association and click Properties.
2. In the file Properties, click the Change button next to the “Opens with” option. After clicking Change, you’ll be given a list of programs to open the file.

How do I change the file extension in the registry?

A.

1. Start the registry editor (regedit.exe).
2. Navigate to the HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced registry subkey.
3. Double-click HideFileExt and set it to 0 to show known file extensions or 1 to hide them.
4. Click OK.
5. Close the registry editor.

Where are file associations stored in the registry?

File associations are stored in both HKLM\SOFTWARE\Classes and HKCU\SOFTWARE\Classes; you can see a merged view of the data under HKEY_CLASSES_ROOT.

How do I restore a previous extension?

To restore a file or folder that was deleted or renamed, follow these steps:

1. Click the Computer icon on your desktop to open it up.
2. Navigate to the folder that used to contain the file or folder, right-click it, and then click Restore previous versions.

How do I change multiple file extensions in Windows 10?

Rename multiple files at once

1. Open File Explorer.
2. Browse to the folder with the files to change their names.
3. Click the View tab.
4. Select the Details view. Source: Windows Central.
5. Click the Home tab.
6. Click the Select all button.
7. Click the Rename button from the “Home” tab.
8. Type the new file name and press Enter.