When you first start entering your information in TurboTax it will ask you for your name and address. You need to make sure your current address is listed there.
Once your return is open:
- Click on My Info on the left side of the return in the black area
- Click through the screens until you get to your Enter your current mailing address
- In the drop down at the top of the screen click on US address and change your address
You do not need to have a foreign address as your mailing address to claim the foreign earned income exclusion.
