Question

name the secondary name of a file is called​

Answer 1

Explanation:

Explanation: A file extension (or simply "extension") is the suffix at the end of a filename that indicates what type of file it is. ... While most file extensions are three characters in length, they can be as short as one character or longer than twenty characters.

Answer 2

Answer:

A file extension (or simply "extension") is the suffix at the end of a filename that indicates what type of file it is. ... While most file extensions are three characters in length, they can be as short as one character or longer than twenty characters.

Explanation:

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