Yes, you can. However, for most people, it works out bes...

Tax Year Prior to 2020: CAN MY SPOUSE AND I FILE SEPARATE

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Yes, you can. However, for most people, it works out best to file jointly as many deductions and credits are not allowed when Married Filing Separately. Also, when you file as Married Filing Separately, if one spouse itemizes on Schedule A, the other must also itemize on Schedule A.

Is it better for a married couple to file jointly or separately?

https://ttlc.intuit.com/replies/3288477

Married Filing Separately in a Community Property State

https://ttlc.intuit.com/replies/3301943