I would assume that workbook would be tied to a version that it was created in and the if the user does not want to update they can just continue using it with

I would assume that workbook would be tied to a version that it was created in and the if the user does not want to update they can just continue using it with the older Anaconda distribution. They don't really need to know what Anaconda is in this scenario. It only becomes necessary if you want to update a certain workbook to a newer version.