Schedule (End Date) Lock

On the Home tab, in the Gantt Chart group: Set the Lock icon to the "Locked" position to link the End Date to the Start Date. Moving the Start Date backwards or forwards will shift the End Date by an equal amount of time. The result is that the total time elapsed will not change.

For example, if the Start Date is set to “1 Jan 2023” and the End Date is set to “3 Jan 2023”, the Gantt Chart will have a duration of 2 days (the End Date is not inclusive, whereas the Start Date is).

When the duration of the Gantt Chart is "Locked" and the Start Date is set to "2 Jan 2023", the End Date will automatically be pushed back a day (to "4 Jan 2023") to maintain the Gantt Chart's duration of 2 days.

When the duration of the Gantt Chart is "Unlocked" , any further changes to the Start Date will not affect the End Date.

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