What are milestones?
Milestones are time-bound moments during your project lifecycle that denote the deadline for or completion of an important project stage or decision. Think of milestones as project benchmarks that keep everyone aligned on what needs to happen between now and project completion.
To create a milestone, go to your project and click "Add" in the project progress section at the top of your project hub.
From there, you'll be prompted to add a milestone and provide a due date. You can always edit or delete a milestone later by editing your milestone.
Editing and deleting milestones
To edit or delete a milestone, click into Edit next to your milestones, and change your milestone titles, due dates, or delete them entirely. Note: milestones must be in chronological order, so keep that in mind if you're editing dates of a milestone that precedes other milestones.