Allow for the Start Date to be defined without having to define a due date
There is no rational reason to assume that all tasks that have a Start date MUST have a due date. This is simply not true and THE major problem when handling tasks in Outlook.
I agree with the Original Poster. Forcing a Due Date whenever there's a Start Date may be helpful for some people, but not for me or others who, say, follow the MYN / 1-Minute To-Do List methodology. I would like to be able to set JUST a start date, indicating, "I don't want to have to think about this again until next Thu, but I don't necessarily need it done on that day or any other."
Philippe Pillonel commented
Task with No Date should be put at the bottom of the list.
And not prior to Tasks for Today as it is currently the case when sorted by Due Date.
The task sorting formula doesn't quite make sense to me. I think the idea sorting would be: