Project and task limitations
You should be aware of the following limitations if you're using the work breakdown structure in Project Operations. These limits apply to projects and tasks. For more information, see Project for the web limits and boundaries.
Project limitations
Note
The limits on Projects and Tasks are enhanced for better experience. Currently, new limits are under private preview. Register for private preview at Signup for new limits.
| Field | Limit | New Limits |
|---|---|---|
| Maximum total tasks for a project | 1,500 | 3000 |
| Maximum total duration for a project | 3,650 days (10 years) | 5,475 days (15 years) |
| Maximum total resources for a project | 300 | 1000 |
| Maximum total links (successor only) for a project | 600 | 600 |
| Maximum total custom fields for a project | 10 | 10 |
| Maximum checklist items per task | 20 | 20 |
Task limitations
| Field | Limit | New Limits |
|---|---|---|
| Maximum hierarchy level | 10 levels | 10 levels |
| Maximum links (successor + predecessor) | 20 | 20 |
| Maximum duration of leaf task | 1,250 days | 1,250 days |
| Maximum duration of a summary task | 3,650 days (10 years) | 5,475 days (15 years) |
| Maximum resources assigned to a task | 20 resources | 50 resources |
| Supported date range for a task | 1/1/2000 - 12/31/2149 | 1/1/2000 - 12/31/2149 |