When I use the trademark symbol it is displaying and printing as a question mark, why?

Welcome to the Community, latrell. I will be delighted to share some information here. Depending on the symbols or characters, some are incompatible with the program. I am adding this article, which highlights all the acceptable characters.

• Acceptable characters in QuickBooks Online

Let me know if this is helpful! I will be around if you have any other questions. See you soon.