Retirement tax questions

i'm actually not sure how to preview the form before everything is complete, so i can't tell.  i'm just going by turbotax giving me this message after entering my home office expenses:

It turns out your home office expenses aren't deductible
(this is because it doesn't see any schedule C income and doesn't know to look at schedule D)

Your home office deduction carryover to 2017 is $4,010.

Your home office deduction (for 2016) is $0.