Sage 50 Canada

Hello everybody. I'm doing book keeping for my boss. I'm done 2014, have started 2015, and now my boss wants me to go back and do 2013 (Past book keeper got sloppy) How can I do this? I don't want to lose my 2014 or 2015 information.. One thing…

Hello. I am running Sage 50 Pro Accounting 2013 and I haven't opened it since before Christmas. I tried to open tonight, but it tells me that the "key file not found" and that "the program was unable to read the registration information" and "please…