Deductions & credits

You need to go into Forms mode and enter the percentage of time you spend conducting business in that office.   If you run a review, you should get an error and be allowed to enter the percentage.   But you can go and enter it directly on the form before you get the error.   Go to Forms mode and Find Form 8829.   Scroll down to Part ll - Figure Your Allowable Deduction - Line 8.  On Line B, enter the percentage.    The Deluxe version skips the necessary question in the interview, so you need to manually enter it if you are not using the Home & Business product.