Thank you for reaching out to us with your question about downgrading from Sonoma to Ventura in QuickBooks, @dig139.

I can see that you have specific requirements or preferences for your accounting needs, and I'm here to assist you with the process.

To downgrade from Sonoma to Ventura, it is recommended to seek assistance from your IT department or technical support team. They can provide guidance specific to your system setup and ensure a smooth transition. 

Additionally, you can reach out to Mac support for further assistance. They have dedicated experts who can provide step-by-step instructions and address any concerns you may have during the downgrade process. 

I'm also adding this link to learn what your computer needs to run QuickBooks Desktop for Mac: System requirements for QuickBooks Desktop for Mac 2021.

If you have any further questions or require additional assistance, please don't hesitate to fill me in. Thank you for choosing QuickBooks, and we look forward to helping you with your concerns.