Then select Check for Updates in your Turbo Tax program to resume the update process where it left off. You can always download and install a manual update as a workaround.

This includes any new 1099 or W-2 you receive if you under-reported your income. This is the only form you can use to amend a personal tax return.

If you are claiming a new deduction or credit, any document that supports your eligibility to claim it such as a receipt will be helpful. You can easily find it using the search function on the Turbo Tax website.

Maybe you discovered a tax credit you didn't realize you qualified for, or missed a 1099 form because it came in late.

Fortunately, the IRS has a simple process in place that allows you to amend your tax return.

You can also re-download your state (if purchased separately) or download it again through your Turbo Tax Windows or Mac program to ensure you have the latest and greatest version.

Although you can update over a wireless or dial-up connection, it's best to use a wired, high-speed connection to speed things up and minimize the possibility of data corruption.

When you prepare an amended return, the IRS only wants you to update figures that change.

It doesn't require you to complete an entire tax return.

They're not available for the Mac or Turbo Tax State programs, nor can they be used to convert an older version of Turbo Tax to a newer one.

When you update your Turbo Tax software program, we'll automatically download the latest update for your state.

Simply select Check for Updates from the Online menu in Turbo Tax (Windows) or quit and reopen the program (Mac).