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 ...
An MP4 file is an MPEG-4 video encoding used for viewing movies. It is a file compression format that provides a wrapper for video, audio and text. Its low bandwidth makes it ideal for streaming from ...
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 ...