I use this software two ways- Prior to year-end, I create an estimated return to confirm I have paid sufficient tax to avoid underpayment penalties. I also determine how much of my Traditional IRA funds I can convert to Roth IRA without being bumped to a higher tax bracket. [H&R Block could make this easier] And following year-end, I create my official filing returns.
When I first did my return the program told me that an update was needed for a form and to click for info. When I followed the link the form I supposedly needed was not listed for any update. When I called, no one knew anything and started an investigation and would call me when they figured it out. The update finally came in, but this was much later than I ever filed before. Also in my state form I have to manually enter some info that is available on my previous year return.