Hi! hockeycfo,
Welcome to the Microsoft Community!
I realize that you've encountered a problem with clicking on “Open in Outlook will open Outlook for Web” in To Do. and I understand how you feel.
After our testing, we found the same situation as you and we understand very well how you feel.
Thank you for your careful observation and suggestions, your ideas and suggestions are vital to improving Microsoft products, but this forum is primarily a technical communication platform, the Microsoft development team will not be concerned with this forum.
If you have any ideas or suggestions for Microsoft Office applications you can use the dedicated feedback platform Ideas · Community (microsoft.com) (English platform), where a dedicated developer will follow and comment on your feedback. After sending your feedback, you can share the feedback link in this forum so that other users with similar problems, including me, can vote for your feedback, and the more votes the easier it is to get the attention of the development team. The more votes you get, the more likely you are to get attention from the development team.Or you can send your ideas and suggestions directly from within the Microsoft Word application so that the Office team will be able to get feedback directly from users and refine them. Open the Word application and click File - Feedback - I have a suggestion or click Help - Feedback - Make a Suggestion/Report a Problem in the function bar.Thank you for your understanding and support, Microsoft attaches great importance to the user's feedback, if you have any future ideas and suggestions you can through the above feedback channels for feedback.
Best Regards
Eddy | Microsoft Community Support Specialist