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 ...
MUO on MSN
Windows file extensions are mostly stuck at three letters because of this 1980s hardware limit
Somewhere, an ancient file system is still quietly bossing around your PC.
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 ...
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