what is the purpose of file extensions?\n\na. they set up your files in an organized hierarchy.\n\nb. they…

what is the purpose of file extensions?\n\na. they set up your files in an organized hierarchy.\n\nb. they run the spelling checker and grammar checker features.\n\nc. they execute the mail merge function.\n\nd. they tell the operating system what kind of document you are creating.

what is the purpose of file extensions?\n\na. they set up your files in an organized hierarchy.\n\nb. they run the spelling checker and grammar checker features.\n\nc. they execute the mail merge function.\n\nd. they tell the operating system what kind of document you are creating.

Answer

Answer:

D. They tell the operating system what kind of document you are creating.

Brief Explanation:

File extensions identify file types for OS.