An mp4 is a video file type, but the .mp4 in the file name is the file extension. Usually, these things should match, but ...

File Extensions for SAS File Types lists the file extensions and their corresponding SAS member types. Do not change the file extensions of SAS files. File extensions determine how the SAS System ...

a file type association associates a type of file (eg the .docx file) with a corresponding application (Microsoft Word). A single file extension might have more than one association for performing ...

In such situations, you can create folders by file extensions. There is one big advantage ... it will create different sub-folders according to the type of files. To learn more about these steps ...