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.
From http://www.apple.com/macosx/newversion/<P><BLOCKQUOTE><font size="-1">quote:</font><HR>File extensions help Mac OS X maintain full Internet compatiblity, but ...
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 ...
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