Is it possible to continue using an older version after switching to a different product for current use?


On of my IT clients has moved their active accounting to a different provider, as the result of a consolidation. They want to know if they have to keep upgrading, and paying the annual fees, in order to use their current version (Sage50 2019) for historical queries/reports? There is no chance they will be putting new information in, just making the occasional lookup, and possible reports to support audits in the future. They have already investigated migrating the data from Sage to the new platform, and the mapping is just not practical. 

I'm just looking to give them as much information as possible.

Thank You so much,