copy somebody in (on something)
to send somebody a copy of a letter, an email message, etc. that you are sending to somebody else
Can you copy me in on your report?
Does the bold word mean a photocopy (a paper copy of a document, picture, etc., that is made with a copier or photocopier)?
to send somebody a copy of a letter, an email message, etc. that you are sending to somebody else
Can you copy me in on your report?
Source: "copy in" - Oxford Learner's Dictionaries
Does the bold word mean a photocopy (a paper copy of a document, picture, etc., that is made with a copier or photocopier)?