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 ...

Add these extensions for Chrome to work faster and smarter with Google Drive and Google’s productivity apps, Docs, Sheets, and Slides. Google Drive is a powerful business tool in its own right, ...

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 ...