Like all the others in the thread I agree QB Desktop has become way to expensive for the a small business and Intuit has lost it's focus on the customer. QBO just does not work for a lot of folks (end of my rant)!    I did discovered the QB Pro Timer would not work in QB Desk 2023  at the end of May 2024 (due to the forced upgrade) when I got to my billing.  MY WORK AROUND = is to use to keep QB2020 for QBPro Timer as the billing software.  QB2020 for time tracking and billing, and QB 2023 for my practice, enter the net invoice in QB2023 to move forward.     ~ Ann