Table of Contents

W-2 E-Filing: Michigan

Nina Tchistiakova Updated by Nina Tchistiakova

Due date

January 31

E-filing threshold

Must E-file if 10 or more. 10 federal Forms W-2 and Forms 1099, in aggregate, must file the forms electronically.

Filing options

Electronic filing

Required file name

W2REPORT.TXT (must have .TXT)

E-filing website

https://mto.treasury.michigan.gov/mtoLanding

Contact

517-636-6925 SUW 

517-636-5829 (for City of Detroit Employer Withholding)

For additional support, visit the MTO Help Center.

Submitting files

Michigan accepts Prior year filing.
Michigan accepts electronic filing W2-C for Corrections.

MTO Option 1: Tax Services

For a business entity registered for sales, use, and/or withholding (SUW) tax, an MTO user may remit all W-2s and 1099s for that entity through their connection to the tax account via the SUW Tax Service.

After logging in to MTO using your personal user profile, access the SUW Tax Service. If you have not already, connect to the registered business tax account (or the accounts of multiple clients) that issued the income record forms. After creating this relationship, click the name of the business on the SUW Dashboard. Select Additional Services under SUW Actions and click W-2 and 1099 Upload. Select the applicable tax year of the income record forms and click Select a File to choose a file from your device. Click Upload to send the file to Treasury. You will receive a confirmation number.

MTO Option 2: Guest Services

After logging in to MTO using your personal user profile, access the W-2 and 1099 Upload portal under Guest Services. Review the file size and format requirements. Click Upload. Select the applicable tax year of the income records and click Select a W2 File to choose a file from your device. Click Upload to send the file to Treasury. You will receive a confirmation number. 

Select EFW2 Upload to submit the 1099s or W-2s

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