Hi. I'm getting a corrected W-2 form since my original numbers had to change due to a refund the employer owed me. I am using TaxAct online, but don't see anywhere inside it where it asks about the W-2c. Do I need to do anything special? I haven't filed the original W-2.

Just input the information from the W-2C into the W-2 section of TaxAct.

The IRS will have BOTH W-2s and will know to look for the data in the W-2C.