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 ...

Every file that we have saved on our computers has a particular extension. The file extension is added at the end of the filename followed by a dot (.). It tells the operating systems about the ...

If you’re feeling behind or waiting on documents, a tax extension gives you extra time to file — but not to pay. In this guide, you’ll learn how to file a tax extension, which forms you need, key ...

The deadline to file your taxes with the Internal Revenue Service is less than a month away. If you haven't already submitted your documents to the IRS and the Kentucky Department of Revenue, here's ...

You're probably aware that most files have an extension such as TXT or EXE after the file name, even though these are not always displayed in Windows. File extensions are how Windows knows what to do ...

TUAW reader David wrote us to ask how he could view .erb files (Rails development) in Quick Look. The fact is, there are a lot of plain-text files with extensions that Quick Look doesn't recognize. It ...