1. Navigate to task listing > Select all tasks or selected few using the checkbox (Image-1)
2. Click on the drop-down option from top left corner of the listing table > Create project plan
3. In the popup > Scroll to the bottom of ‘Select Project Plan’ drop-down > Add New Project Plan> Give a name to the Project Plan> Create.(Image-2)

Note: To add your selected tasks to an existing project plan, select a project plan from the drop-down & click on ‘Create’.