Yes! You have three years from the due date of the first return you filed separately to switch to a joint return. Change your filing status by filing form 1040X and submitting an amended return. However, be aware, that you will need to file by mail as his social security number has already been e-filed.
**Say "Thanks" by clicking the thumb icon in a post
**Mark the post that answers your question by clicking on "Mark as Best Answer"
