I spent about 2 hours trying to follow the blog post, "Six tips to get the most out of Microsoft To Do in iOS" and finally determining that nothing in that blog post, except Swipe, work in iOS15. The blog post was dated April 6, 2021.
"Apple in June 2021 introduced the latest version of its iOS operating system, iOS 15, which was released on September 20, 2021."
It would be useful to understand, as trying a simple request to Siri, "Siri add task to To Do (or Microsoft To Do) results in tasks being added to Apple's Reminders.
