How to change file types in Windows 11

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1. How do I change the file type in Windows 11?

Open File Explorer by clicking the folder icon on the taskbar or by pressing Windows key + E.
Find the file whose type you want to change and right-click on it.
Select “Rename” from the drop-down menu.
Delete the existing file extension and type the new extension you want to use.
Hit the Enter key to confirm the change.

Verify that you have administrator permissions in your user account.
Check if the file you want to change is opened in another application. Close any programs that may be using the file.
If the file comes from an external source, such as an email, it may be blocked for security reasons. Unlock it before trying to change its file type.
Restart your computer and try changing the file type again. Sometimes problems are solved with a simple reboot.

Changing the file type can affect the operation of certain applications if the correct type is not chosen.
If you are not sure which new file type you should choose, it is recommended make a backup of the file before making any changes.
If the file is essential for the operation of an application or system, it is preferable do not make changes if you're not completely sure what you're doing.

Open Windows File Explorer.
Click the "View" tab at the top of the window.
Then, in the “Show or Hide” group, select the “Hidden Elements” option.
Once this is done, you will be able to see the extensions of all files in File Explorer.

Open the Settings menu by clicking the gear icon in the start menu.
Select “Applications” from the left menu.
Click “Default apps” and then “Associate file types with specific apps.”
Find the type of file you want to associate and click on it. Then choose the program you want to use to open that type of file.

>Open the Settings menu and go to “Applications” “Default apps”.
Scroll down and click “Associate file types with specific applications.”
Find the type of file for which you want to change the default program and click on it.
Select the new default program that you want to use to open that type of file.

If you changed the type of a file and then can't open it, change it back to its original type.
If you have lost the original file type, try remember which program usually opens that type of file.
See program documentation I used to open the file to get more information about its type and how to restore it.
If all else fails, consider restore file from backup previous.

Warning: Editing the Windows Registry can be dangerous if not done correctly. It is recommended that only experienced users do this.
Press Windows + R keys to open the Run dialog box.
Write "Regedit" and press Enter to open the Windows Registry Editor.
Navigate to the location of the file whose type you want to change.
Edit the value "Default" to change the file type.

Open File Explorer and select the file list that you want to change type.
Right click on one of the selected files and choose "Rename."
Delete the existing file extension and type the new extension that you want to use for all the selected files.
Press the Enter key to confirm and change file type in all selected files.

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