Hello there, @jmcintosh.
I've come to help guide you on the next steps you need to take to resolve your concern about backing up your QuickBooks Online (QBO) Advanced data via the copy function on the Rewind application.
When you're backing up your QBO Advanced data, or you'll want to do it using the copy function of the Rewind application, I would encourage you to reach out to them directly. They can provide you with other options so you can complete your task and back up your data accordingly.
Also, you may want to check out two of our Help articles as your reference to guide you in backing up and restoring your QBO Advanced company:
Please don't hesitate to keep us posted on how it goes. If you have other concerns about backing up your company file, comment below, and I'll gladly help. Take care, and have a great day, @jmcintosh.
