Microsoft plans to expand the list of file extensions that are banned in Outlook for the web (previously known as Outlook Web Access (OWA)). The list, which previously included 104 file extensions, ...

A file extension, or file name extension, is the letters immediately shown after the last period in a file name. For example, the file extension.txt has an extension of .txt. This extension allows the ...

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 ...

February 9, 2012 Add as a preferred source on Google Add as a preferred source on Google Windows' Save As dialog can be a little annoying. If you want to use a certain file extension, you have to pick ...

I recently upgraded to Windows 8. Why do files no longer include letters after a period at the end of their names? I used to see file names that ended with .doc and .xls, and even longer names like ...

When you double-click on a file in Windows XP, the operating system will automatically open the file using a program that has been is associated with the file's extension. It is possible, though, to ...