The most common and most likely answer to this crossword clue is the 9 letter word DOWNLOADS
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The straight part
We know that "File transfers" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case file transfers = downloads.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does DOWNLOADS mean?
DOWNLOADS noun- A file transfer to the local computer.
- A file that has been, or will be transferred in this way.
- To transfer data from a remote computer (server) to a local computer, usually via a network.
- To upload; to copy a file from a local computer to a remote computer via a network.
- To transfer a file to or from removable media.
- To install software.