(BPT) - Do-it-yourself taxpayers who want a head start can start filling out their 2017 tax returns now with H&R Block and begin taking advantage of the products’ new features. Like in years past, all DIY online clients can get additional help by having their completed DIY return reviewed by a tax professional when they add on Tax Pro Review. H&R Block is also bringing back H&R Block More Zero, which offers free filing for federal forms 1040EZ, 1040A and 1040 with Schedule A, plus a free state return — and it can be used by 6 in 10 taxpayers.