Project end date, why it cannot be changed (the field is not editable)?

General Questions
If a project has a completed activity with the latest end date then its end date is taken from the activity's.

In order to change a project's end date you just have to change the latest end date of the closed activity.

The online help describes the relationship at:

The same rule is for parent activity and its children activities:


This is so frustrating. I wish I could change the project dates regardless of sub tasks!
Darrell Baker (November 26, 2014 at 3:06 PM)