How to Use Wisconsin e-File

  1. What is Wisconsin e-file?

  2. What are the benefits of using Wisconsin e-file?

  3. What do I need before I begin to use Wisconsin e-file?

  4. How do I begin using Wisconsin e-file?

  5. Is there a registration process to use Wisconsin e-file?

  6. How do I move through/navigate Wisconsin e-file?

  7. If I owe an amount, can I e-file my return now, but go back later to decide how to pay?

  8. Is there a limit on how much time I have to complete and e-file my tax return using Wisconsin e-file?

  9. What happens if I make a mistake using Wisconsin e-file?

  10. Must I round to the nearest dollar amount?

  11. How do I sign my income tax return using Wisconsin e-file?

  12. How do I know the Wisconsin Department of Revenue has received my income tax return?

  13. Can I file my income tax return using Wisconsin e-file after April 15?

  14. Can I file my prior income tax returns using Wisconsin e-file?

  15. Who do I contact if I have a question while using Wisconsin e-file?


Electronic Filing Unit
PO Box 8949
Madison, WI 53708-8949
Income Tax Customer Service Phone: (608) 266-2486
Business Tax Customer Service Phone: (608) 266-2776
Customer Service Fax: (608) 267-1030
Email additional questions to

February 7, 2019