Calculate the critical path in Gantt View to highlight all tasks which are part of the critical path in red.

Why calculate the Critical Path?

  • Determine the chain of tasks crucial to a project’s completion.
  • Quickly see which tasks can be rescheduled without affecting larger deadlines.

How to Calculate the Critical Path

  1. Open Gantt View
  2. Select the group(s) of tasks you'd like to calculate the path for
  3. Click the arrow button to calculate the Critical Path for tasks in view

How the Critical Path is Calculated

The critical path checks all tasks on the chart and determines the set that would affect the overall project deadline if adjusted. 

It then looks back from the last task in the project to see what task is blocking it from being completed. 

If that task is being blocked by a task with no time gap in between, the blocking task will be added to the path. This continues for as many tasks as are dependent in the chain with no time gaps (aka lag, slack, lead time). 

FAQ

Why is only the last task in my group (Space, Project, or List) highlighted? 

  • This is likely because there is a gap in time between this task and the rest of the tasks in your group.
  • Because the last task in the group is responsible for the entire group's completion date, it will always be highlighted.

Critical path is shorter than hoped?

  • Organize a chain of dependent tasks with no time gaps in between that lead to the end of what you're viewing on the chart.
  • If Use Weekends is disabled then hidden weekends might break a critical path. 
  • More details below.

How do I connect more tasks to my critical path? 

  • Add tasks with no time gaps in between the start and end dates to the sequence that leads to the end of the entire group to be included in the critical path.

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