QuickBooks Messenger is one another amazing feature that QuickBooks Desktop offers to users working in multi-user mode. This feature enables QuickBooks users to chat with each other in the multi-user environment where several QuickBooks users work on the company file at the same time in collaboration. In this article, we have listed detailed steps to enable, disable, and set up QuickBooks Desktop Messenger for different users. Follow the complete article for detailed instructions. You can also dial QuickBooks Desktop Technical Support Number (844)-888-4666 for any help and assistance.