Microsoft Planner limits

This article describes the current limits that apply to Microsoft Planner.

Plan limits

Field Limit
Maximum active tasks in a plan 2400
Maximum buckets in a plan 200
Maximum plans owned by a user 200
Maximum plans shared with a user 300
Maximum tasks in a plan 9000
Maximum users shared with a plan 100
Maximum contexts on a plan 10
Maximum favorite plans for a user 30

Task limits

Field Limit
Maximum assignees in a task 11
Maximum checklist items in a task 20
Maximum references on a task 10
Maximum tasks assigned to a user 3000
Maximum tasks created by a user 20000
Maximum user-data count in user details 10


These limitations can be raised or lowered from time-to-time without a prior notice. Refer to this article for updated information on Planner limits.