Tax Year 2016: I need to see my federal itemized deductions from my 2016 federal return (before filing), so that I can determine the portion from my time as a resident of DC.

[KarenL2]

You can print a copy of your tax return before filling and look at your Schedule A.   If you haven't already paid, you will have to do that first.  The instructions below are how to print a copy of your tax return before filing:

https://ttlc.intuit.com/replies/3338601