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In the late 1980s, sharing computer files was a painstaking process. Phil Katz's 1989 invention, the ZIP file format, ...

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 ...

USB flash drives (a.k.a. “thumb” drives) may seem passé in a world where AirDrop and cloud storage solve the file-transfer problem. But they’re still quite useful for handing over files to another ...

PNG is a popular graphic file format, perhaps second only to JPG today. It has a few advantages over JPG and is easy to work with because it's widely supported. Here's what you need to know. What is a ...

Xvid is rarely used these days, but that means it can be hard to know what to do with it if you come across it while digging through your old files. It’s essentially a method for compressing video, ...

MP3 has been the most popular lossy audio file format for decades, but AAC is now a popular alternative. Here's what you need ...