In most cases, the majority of the file extensions you encounter on your computer are already associated with a program or protocol. When a file extension is not associated with a program, however, ...

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 ...

Every year as tax season approaches, millions of Americans find themselves in a familiar predicament: They're simply not ready to file by the deadline. Whether it's missing tax documents, complex ...

If you can’t make the April 15 federal tax deadline, you should request an extension before the date passes. Otherwise, you could get hit with expensive penalties. “One important cautionary note for ...

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 ...

One of the easiest ways to render your computer unusable is to mess with the operating system’s files and settings–one accidental deletion of a single file can ...

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 ...

File extensions are a necessary evil. Most of the time, you want those extensions to stay out of sight, but occasionally it's useful to expose the extensions. If you're creating a batch file or a ...

For most people, April 15 was the last day to request a tax extension, which moves the filing deadline out six months to October 15. Many, or all, of the products featured on this page are from our ...