Here’s a simple, step‑by‑step guide on how to add predecessors in Microsoft Project:
- Open your project in Microsoft Project in Gantt Chart View.
- In the task table on the left, right‑click any column header.
- From the menu, click 'Insert Column'.
- Start typing 'Predecessors'.
- Select 'Predecessors' from the list and press ENTER.
- The 'Predecessors' column will now appear in your Microsoft Project.
- In the 'Predecessors' column, click on the drop down arrow to select the ID number of the task.
- From the menu, select the ID number of the task that must come before.
- That's it! You've successfully added predecessors in Microsoft Project.



