Hello there, @namroks. I'm here to give you information about running your QuickBooks Desktop for Mac on the new Mac OS operating system.

Yes, QuickBooks Desktop (QBDT) for Mac 2021 is compatible with the Mac OS version Monterey. Also, to learn more about the features available for the different versions of QBDT Mac, feel free to visit this article: Compare QuickBooks for Mac Versions. 

There are a number of help articles and even video tutorials available on our QuickBooks Help page that can help you with your QuickBooks Desktop tasks. Simply browse from there and click the categories you need. 

I'm always around if you have any other concerns about running your QBDT Mac 2021 program. Don't hesitate to leave a reply below. Have a good one.