Tax Year Prior to 2020: Filing state returns in resident state or working state?

[manougianb]

I live in NH and work in MA.  in what state do I file my tax returns for?

[KarenL2]

You will file both states.  You will file a Resident tax return for NH and a Non-Resident return for MA.  It's best to prepare the non-resident state return first.

How to file a non-resident state return?

https://ttlc.intuit.com/replies/3302052