Task Slack Date overview

Last update: July 26, 2022

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Tasks can sometimes start and complete late without impacting the Completion Date of the project.

The Slack Date displays the exact date when a task could definitely impact the Completion Date of the project.

Slack Date overview

The Slack Date is different than the Projected Completion Date, as the predecessor relationships and task constraints increase the slack time.

Consider the following scenarios, depending on whether a task is on the Critical Path of a project or not:

For tasks that are on the Critical Path of the project or have successors that are on the Critical Path, the Slack Date matches the Projected Completion Date of the task unless the Progress Status of the task is already Late or Behind.

For information about the Critical Path, see Overview of the project Critical Path.

For information about the Progress Status of tasks, see Task Progress Status overview.
For tasks that are not on the Critical Path, the slack time increases the earlier the task is scheduled. For these tasks, the Slack Date remains in the future until the tasks become so late that they begin to impact the Completion Date of the project.

To view the Slack Date of a task, you can add the Slack Date field to a task view or report.

For information about building a report, see Create a custom report.

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