@selma_ea wrote:
Not really. If you mail them, I guess you could put them all in one envelope, but each year has to be on its own form and its tax calculated separately. Make sure it is clear which forms go with which. If you file electronically, you must submit each year separately.
NEVER mall more than one year in the same envelope. The IRS has a habit of attaching everything in an envelope together and only the form on the top will get entered. The IRS does not process paper returns - clerks first transfer the paper to the IRS computer than the the paper is stored. There is a high chance that only one return would be entered.