To submit your state W-2 electronically:
- Create the W-2 file you need to upload in step 3. See E-file your State W-2s from QuickBooks Desktop for detailed steps.
- Access the state website.
- Upload your W-2 information.
- Make sure you upload the .txt file, the Excel file cannot be submitted through the agency system.
Note: Follow agency instructions on submitting your CT-W3 filing.