Sage 50 Canada

I am a teacher and I am having problems opening a company file that I had upgraded from 2013 to 2016, however, the file was corrupt when I opened it, thus I deleted it and then I downloaded the company info again and now I can't open it. I am receiving…

I am trying to open a file of a new company I am taking on. I keep getting this error message: "Data updated to a new file format and is not compatible with this version of the software" I looked at my properties I have version 2014.3 If I double…