The T in Ftp, File __ Protocol

This page is the CodyCross answer for the clue below from Past and Present Tech, Group 1450, Puzzle 3 (Fax Machines).

Question is: The T in Ftp, File __ Protocol

and the answer is: TRANSFER

Word Meaning:

TRANSFER — (transitive) To move or pass from one place, person or thing to another.

Definitions from Wiktionary.