How to set dependencies (or constraints) between tasks ?

A dependency is a logical relationship between 2 tasks or between a task and a milestone. In the Gantt Chart Maker, 6 types of dependencies exist:

METHOD 1: SET A DEPENDENCY BETWEEN TWO ADJACENT TASKS 

The easiest way to set a dependency between two adjacent tasks is to use the dropdown menu from right click:

  1. Select the row of the subject task
  2. Right click -> « Dependencies »
  3. Select the desired dependency

This function is also available from the ribbon menu:

METHOD 2: SET A DEPENDENCY BETWEEN TWO NON-ADJACENT TASKS 

If the two tasks are not adjacent, it is still possible to create a dependency:

  1. Select the row of the subject task
  2. Right click or ribbon menu -> « Dependencies »
  3. Choose « Customized dependency »
  4. « Task 1 » correspond to the task selected from the previous step
  5. Choose the « Task 2 » from the drop down list
  6. Select the desired dependency from the drop-down list
  7. Click « ADD »

METHOD 3: SET A DEPENDENCIES WITH FORMULAS

For more flexibility, you can opt to set-up simple formulas to link different tasks or sub-tasks:

  • Select the cell that contains the « Start Date » that you would like to modify
  • Write the symbol equal « = »
  • Select any other date (« Start Date » or « End Date »)
  • Write +1 (to add one day)
  • Confirm by pushing « Entry » key

Based on the above example; you can play with this formula by adding or substracting more or less than 1 day. Also, instead of linking to the previous sub-task, you can make a link with any other cell of your table.

For example, if you would like to start a sub-task after the previous one, these are the steps to follow:

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