A file extension, or file name extension, is the letters immediately shown after the last period in a file name. For example, the file extension.txt has an extension of .txt. This extension allows the ...

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 ...

New installations of Windows default to hiding the file extension when file names appear in Explorer windows and Open/Save dialog boxes in applications. However, this important element of the file ...

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 ...

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 ...

Managing files on an iPhone has become significantly easier with recent updates to iOS, particularly with the introduction of the ability to change file extensions directly within the Files app.

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 ...

While the launch services in OS X use file name extensions to associate files with various applications, generally users do not need to interact with these extensions and the system keeps them hidden ...

File extensions are a necessary evil. Most of the time, you want those extensions to stay out of sight, but occasionally it's useful to expose the extensions. If you're creating a batch file or a ...

The latest issues of the MDJ explore a continuing controversy with Mac OS X. While not a new controversy, a new feature in Mac OS X 10.1 brings it to the foreground again. The articles are too long to ...