I have a T4 from ontario (ex employer) and a T4 and T1 from quebec (current employer) I moved to QC during the year.

I have a T4 from ontario (ex employer) and a T4 and T1 from quebec (current employer) I moved to QC during the year. how to file ?

Troubleshooting

If you lived in Quebec on Dec 31st of the year, you'll choose Quebec as your province. Then you can enter both your T4 slips, as well as the RL-1.