To change a file extension, right-click a file and click Rename. Add or change the extension at the end of the file name, after the period, and press the Enter key.

Change the extension on each file to something unique like .hxx. Repeat for .js files and make them .jsx. If this fails, perhaps you can get help from the Ad-aware pop-up-killer software that also ...

When you open files that have a particular file extension, Windows will look at its configuration to determine what the default program should be in order to work with these files. The default ...

On Windows 11, you can change the format of a file in multiple ways through File Explorer, Command Prompt, and from a compatible application. In this guide, I'll show you how.

You can change file associations on Windows 10 in three ways. Use ‘Open With’ to quickly change the program for one file type, Default Program Settings to change multiple file associations ...

If it's of the less intelligent variety, you can outsmart the virus by changing your antivirus apps' file extension to something besides .exe. ...

Changing File Extensions on iPhone: A Step-by-Step Guide. Managing files on an iPhone has become significantly easier with recent updates to iOS, particularly with the introduction of the ability ...

Back in the pre-Mac OS X and macOS days, Apple’s System 9 and earlier relied on hidden metadata to associate files with apps. File extensions, those bits of text that follow a period at the end ...

Click "Change All" if you want all files with this extension to be opened with the new application. A box opens warning that this will affect all files with the same extension. Click "Continue." ...

When you double-click on a file in Windows XP, the operating system will automatically open the file using a program that has been is associated with the file's extension. It is possible, though ...