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 ...

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 ...

Google has released ' Google Scholar PDF Reader,' a Chrome extension that makes it easier to read PDF files of scientific papers. I thought it would be very useful for reading the content of the paper ...