Oklahoma Tax Forms Supported by 1040.com E-File

E-File your Oklahoma personal income tax return online with 1040.com. These 2018 forms are available for e-file:

  • Oklahoma Form 511 – Personal Income Tax Return for Residents
  • Oklahoma Form OW-8-P – Underpayment of Estimated Taxes
  • Oklahoma Form 511CR – Other Credits
  • Oklahoma Form 511TX – Credit for Taxes Paid to Another State
  • Oklahoma Form 538-S – Sales Tax Refund
  • Oklahoma Form 538-H – Credit for Refund of Property Taxes

Get started on your Oklahoma tax return today! START FREE

More reasons to use 1040.com to file your state taxes:

  • In many cases, we can reuse information from your federal return to automatically create your Oklahoma return. (Federal return required.)
  • You can get direct deposit together with or separately from your federal refund.
  • Owe state taxes? Choose direct debit, or pay by credit card or check.

Downloadable Forms A-Z