If you create a template for a project you plan to repeat in the future, you can save this project as a template to use again. All tasks will re-populate, along with time sensitive due dates, and any other personalization you have done. This is a great way to prepare for repetitive tasks, such as onboarding a new employee, kicking off a customer project, or preparing an annual employee evaluation.
See the following animation that demonstrates the process on Priority Matrix for Mac:
