@cspec
We are closing the business at the end of the month. Can I download the online data to quickbooks pro 2020?
Technically YES, but it's not a seamless process. It may or may not work. But you can give it a try.
You can refer to these two articles for more information:
1) Export and convert your QuickBooks Online data to QuickBooks Desktop
https://quickbooks.intuit.com/learn-support/en-us/import-or-export-data-files/export-and-convert-you...
2) Limitations when you convert from QuickBooks Online to QuickBooks Desktop
https://quickbooks.intuit.com/learn-support/en-us/manage-data/limitations-when-you-convert-from-quic...
Good luck with this project!