a file name extension provides what information about a file?\n the file format\n the file length\n the file…

a file name extension provides what information about a file?\n the file format\n the file length\n the file permissions\n the file creation date
Answer
Brief Explanations:
A file - name extension is used to identify the file format. For example, a .txt extension indicates a text - file format, a .jpg indicates a JPEG image format. It has nothing to do with file length, permissions, or creation date.
Answer:
the file format