We need to submit our 2021 tax return to a university financial aid office. The return needs to be signed. But we filed electronically with an e-signature.

University Financial Aid offices sometimes do require paper copies. You can print a paper copy of your return and sign/date it with a pen for the their office. It will match all the information at the IRS for your return if the office wants to confirm any items. 

This is a Help Articles with step-by-steps to print a copy of your return.