I'd be pleased to assist you in upgrading your QBDT 2019 for Mac, @Cruiseman.
The latest MacOS Sonoma 14.0 updates include compatibility patches for all supported versions of QuickBooks for Mac (2021-2024). To manually upgrade your QBDT, ensure you have the minimum system requirements to run QBDT for Mac on your device and locate your license and product numbers.
Once done, download and install QBDT 2021 on your computer. Then, update or convert your 2019 company file to work in the newer QBDT version. Here's how:
You can visit this article for the detailed process: Install and set up QuickBooks Desktop for Mac.
Note that starting from May 31, 2024, all versions of QBDT 2021 will be discontinued. You'll lose access to live technical support and other integrated Intuit services if you fail to upgrade by this date. For more information, please refer to this article: QuickBooks Desktop service discontinuation policy.
Additionally, you'll want to create a backup of your company file after each session to restore it and resume work in case of any data-related issues..
You can also generate specific reports to monitor and evaluate your business finances and other accounting statements.
I'm here to assist you further with upgrading QBDT for Mac or addressing any other QuickBooks-related inquiries. Feel free to leave your response below, and I'll circle back to help you promptly.