let's say that i cut a video part i know that the cutted video can joined but my question is can i copy the cutted video part?

Hello,
We don't exactly know what you want.

Do you want to rejoin output files(cut files)?
If you want it, you just add the output files Bandicut in Joiner.
or
If we misunderstand, please explain that in detail.

Thank you for contacting us.

Best regards,
The Bandicut Team.