Question

define file extension​

Answer 1

• A string of characters attached to a filename, usually preceded by a full stop and indicating the format of the file.
• A file extension (or simply "extension") is the suffix at the end of a filename that indicates what type of file it is. For example, in the filename "myreport. txt," the . TXT is the file extension.

Answer 2

Answer:

a string of characters attached to a filename, usually preceded by a full stop and indicating the format of the file.

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