Aug 26, 2020 How to Change File Associations in Windows 10 Right-click the Start button (or hit the WIN+X hotkey) and choose Settings. Select Apps from the list. Choose Default apps on the left. Scroll down a little and select Choose default apps by file type. Locate the file extension for which you want to. Renaming files and file extensions. It’s easier to change filenames in Vista and Windows 7 than in previous versions of Windows. All you do is: Click the file to select it, then click once more. Windows automatically selects the filename so that anything you type will replace the existing name. One poster suggested that you use a third party app to change file extensions, but I believe all that does is copy the file into the app and then allow you to change the file extension. Not change it at the source where you really need to so you can manage the file with other applications in the future. Now you can go to change a file name extension within Windows File Explorer. Simply double click a file name then edit file extensions as you like on Windows 10 PC. Rename File Extensions. As earlier stated, Windows 10 or any Windows for that matter, doesn’t allows users to change the file extension. In order to do so, you need to perform a procedure that is somewhat trickier than simply renaming a file by pressing the F2 button and typing in the new name. Rename Extensions through File Explorer.
Tip: You can change/rename the extension of a file or multiple files using the ChangeExtension method :
OverloadDefinitions
Single file
Change File Extension Android
Multiple files