If you can't finish your income taxes by tonight, file a free extension to get an extra 6 months. Katie covered all things how-to at CNET, with a focus on Social Security and notable events. When ...

Add Yahoo as a preferred source to see more of our stories on Google. The US federal tax deadline is April 15.Delmaine Donson/Getty Images The federal tax filing deadline for most Americans is April ...

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 ...

New installations of Windows hide all file extensions, except for Windows components, that would appear in Explorer or an application dialog box that displays file names. File extensions are ...

Tax Day is just around the corner and millions of taxpayers have yet to file their tax return. If you’re one of those taxpayers who still needs to file—and you’re not ready—there’s an easy answer: ...

Computer viruses sometimes masquerade as harmless e-mail attachments. The fastest way to spot the interlopers is by their file extension–the letters (usually three) following the final period in the ...

Normally, if you change a file’s extension in Windows, it doesn’t do anything positive. It just makes the file open in the wrong programs that can’t decode what’s inside. However, [PortalRunner] has ...