Quick summary
A milestone in Microsoft Project is a zero-duration task displayed as a diamond shape on the Gantt chart, used to mark key project checkpoints. You can create one by adding a new task and enabling the "Mark task as milestone" option in the Task Information dialog.
Steps
- Right-click on the row number where you'd like to create a milestone in your project timeline.
- Select "New Task" from the context menu that appears.
- Double-click on your new task to open the Task Information dialog box.
- Navigate to the "Advanced" tab in the Task Information dialog window.
- Check the "Mark task as milestone" checkbox to display the task as a diamond symbol on your Gantt chart.
- Click "OK" to save your milestone and confirm it appears as a diamond shape on your timeline.
