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 ...

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 ...

Apple has released several new and revised Developer Release Notes. We post two examples below. Because of our recent coverage of the file name extensions vs. Type/Creator controversy, we offer an ...

When we talk about file types, we talk about files containing data in a specific format for use by a particular program or programs. Windows Explorer lists file types in its Type column. For example, ...

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 ...

I’ve been getting un­explained pop-ups on my Windows 10 PC. One says, “How do you want to open this file?” when the file name extension (letters after the dot) is “.vdykyvf.” I can’t determine what ...

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 ...

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 ...

You're probably aware that most files have an extension such as TXT or EXE after the file name, even though these are not always displayed in Windows. File extensions are how Windows knows what to do ...