At some point, you may find that your business has outgrown the features available in your current Sage 50 Accounting product. If your company requires more advanced accounting features it needs an Upgrade. Sage 50 2021 Upgrade is available and it has focused to improve the experience. Sage 50 US 2021 is available with the built-in integration with Auto entry.

https://www.businessaccountings.com/best-way-for-sage-50-2021-upgrade-installation-and-errors/