Helps uncover tax savings: Tax software will ask you questions you might not have thought of that could entitle you to credits or deductions, such as whether you had children or sold real estate in the previous year, says Robert Gauvreau, CPA and founder of Gauvreau & Associates.Offers instant insight: Riley Adams, CPA and founder of Young and the Invested, notes that tax software can instantly calculate how different filing decisions will affect your tax bill.Provides live support: While you won't see a tax professional in person if you use tax software, some programs provide live, one-on-one support over the internet or by phone.