Get your taxes done using TurboTax

You can deduct alimony paid to a former spouse as long as the divorce or separation agreement was executed by December 31, 2018.  If it was executed after that date then spousal support (alimony) is not deductible on a federal tax return.

To enter alimony paid -

Click on Federal Taxes (Personal using Home and Business)
Click on Deductions and Credits
Click on I'll choose what I work on (if shown)
Scroll down to Other Deductions and Credits
On Alimony Paid, click the start or update button