Oklahoma W-2 Electronic Filing

How to file Oklahoma W2 Forms electronically (E-File W2s) with the OK Department of Revenue

Note: These instructions are intended for Oklahoma business owners and accountants wanting to file employer W2 forms with the state using the EFW2 text format. These instructions are not for individuals wanting to file individual income tax returns with the OK DOR.

Step # 1. Open the W2 Mate software. If you do not have W2 Mate installed, you can learn more about our W2 software product and download free demo by visiting this page.

Step # 2. Under the Company General Information tab inside W2 Mate, make sure to enter "OK" for the State field and enter the Oklahoma state ID.

Remember that the Oklahoma state ID is formatted WTH-99999999-01 and is 15 characters long.

Step # 3. Very Important: Make sure Box 15 State and State ID are populated properly on all W-2 forms.

To be sure, select from the top menu inside W2 Mate "Tools > Update Box 15 (State, State #) for multiple employees".

Select "OK" under "New State" and enter Oklahoma State ID under "New Employer State ID number".

Hit the "Select All" button to select all employees.

Hit the OK button to apply your changes.

Please make sure to do this step even if you think Box 15 is populated properly on the W2 Forms.

Step # 4. From the top menu inside W2 Mate select "E-Filing > W-2 Forms".

Step # 5. In the W-2 E-File dialog use "00000000" (no quotes) for the PIN (User ID) if you are filing with the state ONLY.

Step # 6. In the e-File W2 Forms dialog select "STATE" under "Federal or State" and select Oklahoma.

Step # 7. Once all the data in the W-2 E-File dialog is populated, click the OK button.

Make sure you follow Oklahoma file naming rules:

Example: W2_001_2016_999999999.txt

(001 = file sequence number, 2016 = Tax Year, 999999999 = YOUR FEIN)

Step # 8. W2 Mate will create the file and show a list of employees included in the output file. Double check this information.

Step # 9. Upload the file generated from inside W2 Mate (no other file) through Oklahoma DOR OkTAP :

Who do I contact if I have a question while using OkTAP?

Call: 405.521.3160
     Go to W2 Software Page     

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