The most common and most likely answer to this crossword clue is the 10 letter word TRANSCRIPT
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More clues leading to the result TRANSCRIPT
Buddy explains!

The straight part
We know that "Copy" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case copy = transcript.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 TRANSCRIPT mean?
TRANSCRIPT noun- Something which has been transcribed; a writing or composition consisting of the same words as the original; a written copy.
- A copy of any kind; an imitation.
- A written version of what was said orally
- A sequence of RNA produced by transcription
- An inventory of the courses taken and grades earned of a student alleged throughout a course.
- To write a transcript; to transcribe.