Why don't you just wait for the state to be ready to efile ? Mailed in returns take much longer to process.
Looks like all the MI forms will be ready about 3/3 ... and if the state forms are not ready for efile I doubt they are ready to process mailed in forms either ... but that is up to you.
https://care-cdn.prodsupportsite.a.intuit.com/forms-availability/turbotax_mo_windows_individual.html
