Constraints are created when:
- Dates are typed into the start or finish columns or
- If you double click on a task and change the constraint type in the Advanced tab of the task information window.
![How to create constraints How to create constraints1](https://cdn.shopify.com/s/files/1/0814/9381/9732/files/d08ba647-0a74-4ef7-aeb0-0023560b9680.jpg)
Types of constraints
Listed below are the types of constraints that exist in MS Project:![How to create constraints How to create constraints2](https://cdn.shopify.com/s/files/1/0814/9381/9732/files/8a582584-2a3a-4c75-9bc0-c69d2d8b4a6a.jpg)