Change or remove task dependencies (links)

After tasks are linked to create task dependencies, you can easily change or remove the dependencies, if needed.

What do you want to do?

Change the link type of a task dependency

Link to a different task

Remove all dependencies for a task

Remove specific task dependencies

Change the link type of a task dependency

By default, Project links tasks in a finish-to-start dependency. You can, however, easily change the type of task dependency on the Advanced tab of the Task Information dialog box. To open the Task Information dialog box, double-click the name of the task whose link type you want to change.

Note: Double-clicking a link to an external task opens the project containing the task, if the project is available. Externally linked tasks appear dimmed in the task list. If you want to modify the link type for an external task, double-click the externally linked task to open the project that contains the task, and then do the following to modify the linked task. For example, if you linked Task A in Project Z to Task 1 in Project 5, you can modify the link type in the task information for Task 1.

  1. On the View menu, click Gantt Chart.

  2. Double-click the link line that you want to change.

    Double-click the link line

Button image

To change a link type, double-click here.

  1. To change the type of task dependency, select a different type from the Type list.

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Link to a different task

If you have a task that is currently linked to the wrong task, you can easily modify the link so that it reflects the correct dependency.

  1. On the View menu, click Gantt Chart.

  2. In the task list, click the task for which you are changing the link.

  3. Click Task Information Button image .

  4. On the Predecessors tab, in the Task Name column, click the task that should not be linked, and then select a task from the list to identify the correct dependency.

  5. Modify the link type, lag time, or lead time in the Type and Lag columns.

    Tip: To enter lead time, type a negative value in the Lag column, such as –2 for two days of lead time.

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Remove all dependencies for a task

If your task is no longer dependent on any other tasks, you can remove all of the task's dependencies at once.

  1. On the View menu, click Gantt Chart.

  2. In the Task Name field, select the tasks that you want to unlink.

    To select multiple tasks that are not listed consecutively, hold down CTRL and click each task. To select tasks that are listed consecutively, click the first task, hold down SHIFT, and then click the last task that you want to select in the list.

  3. Click Unlink Tasks Unlink Tasks button image .

    The tasks are rescheduled, based on any links to other tasks or constraints.

Note: Removing a task link removes the dependency between two tasks, as indicated by the link lines between the tasks. If you want to change the hierarchical structure of a task or subtask as part of an outline structure for your project, then you need to outdent the task rather than remove the task link.

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Remove specific task dependencies

If your task is linked to several tasks and you need to remove specific links while leaving some intact, you can choose which links to remove in the Task Information dialog box.

  1. On the View menu, click Gantt Chart.

  2. In the task list, click the task for which you are removing dependencies.

  3. Click Task Information Button image .

  4. On the Predecessors tab, click the dependency that you are removing, and then press DELETE.

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