XBOX RETURNING INFO

Hey People.. if returning something back to Microsoft without the box or paperwork.. is that an issue?

just because i'm doing so & i don't have the box or paperwork it came with i still got the email from when i bought the product tho so i have prove but because i requested an Refund and return instructions everything should be on the paper
for them to scan to see my details .. this was just over 3 weeks ago i bought the product so i know i still got the time too return it

can anyone help me with this? just due to me wanting to send it back tomorrow

:)