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 ...
How-To Geek on MSN
Stop using DOC: Your old Word files are fragile, risky, and slow
Legacy DOC files risk corruption, hide malware, and slow modern collaboration—DOCX solves all three with modular XML design.
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 ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results