" if I can refile as married filing jointly "
You AND your spouse can amend to file a joint return if you BOTH agree to filing jointly. You cannot decide that on your own and amend without your spouse agreeing to it.
https://ttlc.intuit.com/questions/1899507-how-do-i-amend-a-separate-return-to-married-filing-jointly
**Disclaimer: Every effort has been made to offer the most correct information possible. The poster disclaims any legal responsibility for the accuracy of the information that is contained in this post.**
