A file extension is a suffix that is added to the end of a file name after a dot. It is usually two to four letters long. File extensions help Windows and other operating systems to know the standard ...

This guide explains how to change the file extension in Windows 11. It also clarifies the distinction between file extensions and file types. Change a File Extension the Easy Way The simplest way to ...

In iOS 16.0 and later, you can make Apple's stock Files app display file extensions for items in the currently viewed folder. Keep reading to learn how it's done. The only issue until recently was ...

On computers and mobile devices, file extensions are the suffixes that apps append to filenames. When you see an item like "document.docx" for example, the .docx extension tells the computer and the ...

Windows works great out of the box, but some default settings quietly slow you down or invade your privacy. Here are 9 things you should change right now for a faster, smoother, and more secure ...