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 ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. A file’s format—the way that it’s saved and encoded ...

PNG, short for Portable Network Graphics, is a popular and high-quality graphic file format. The PNG format is both lossless and supports transparency, making it great for webpages. You can view PNG ...

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 ...