Install

Hi there, @Poggirocks.

Currently, we have an ongoing investigation (INV-58138) about being unable to back up in macOS Big Sur. Intuit is working diligently to resolve this issue. They'll communicate more details once the research is complete.

I recommend contacting our Customer Care Support team so that you can be added to the list of affected users. This way, you'll receive email updates of the investigation's status and be notified once it's been resolved. I've included the steps to contact support below. 

1. Select QuickBooks Desktop Help from the Help menu.
2. Click Contact Us.
   
3. Type in a short description of your concern, then Continue.
4. Choose a way to connect with support.

For more details about our support availability, refer to this article: Contact Support. 

To keep you up-to-date, you can check out these links: 

• Intuit’s support policy for QuickBooks for Mac running on macOS 11 Big Sur.
• Update QuickBooks For Mac To The Latest Release
• Release Notes For QuickBooks Desktop for Mac 2021

I appreciate your patience while we're working on this. Let us know if you have any follow-ups or other questions. I'm always here to help. Wishing you a good one.