Office 365 Planner is in the process of being rolled out in preview to Office 365 First Release customers. Office 365 administrators who have opted into First Release will receive an email with instructions on how to set up the preview once it is available for their tenancy. Once administrators take the necessary actions, users can start using Planner by launching it from the Office 365 app launcher or via https://tasks.office.com

Office 365 Planner is a new experience in Office 365 that offers a simple, visual way to organise teamwork. Planner makes it easy for teams to create plans, organise and assign work, share files, chat about what everyone is working on and get updates on progress.

Planner preview is available to First Release customers on the following plans: Office 365 Enterprise E1, Office 365 Enterprise E3, Office 365 Enterprise E4, Office 365 Enterprise E5, Office 365 Education, Office 365 Education E3, Office 365 Education E4, Office 365 Business Essentials and Office 365 Business Premium.

Update: Follow this video for instructions on how to provision Planner on your Office 365 tenant.