Wanting to chime in here because I fought with this for 4 days trying to scramble to get this to upload. I dont want anyone else to go through this lol..

GOAL: Submit STATE W2 .TXT FILE ONLINE

1. Make sure your QB is updated if your on Desktop go to Help>Update all on QBDT

2. Payroll center > File Forms at the top > then at the bottom E-File State w-2

3.It should export a file to excel and read the prompts itll advise you to start a interview on "add-ons" after you've exported everything over and it should prompt you to save your w2report.txt to upload to the state.