I use quickbooks 2017 for farm record keeping and creating invoices for my pumping business (not a actual LLC all goes thru me). Yesterday I went to enter last months checks and a yellow triangle showed up in the bottom corner. Thought maybe I was low on DEF, lol just kidding. Anyway I clicked on it and it said all add on services will shut down 5-31 and recommended updating to 2020. I do not use any add on service that I'm aware of, just the check register, invoices, and reports ( profit loss, tax reports, categories totals). Should I upgrade or not worry about? Will it act differently if I don't? I have ignored all updates to the 2017 version and haven't had problems.