Short answer
The Owner can do everything. An Admin can see, edit and share. A Contributor can see and edit. A Viewer can only see.
What each role can do
| Role | See it | Edit it | Share it | Delete it |
|---|---|---|---|---|
| Owner | Yes | Yes | Yes | Yes |
| Admin | Yes | Yes | Yes | No |
| Contributor | Yes | Yes | No | No |
| Viewer | Yes | No | No | No |
The owner is the person who made the task or note. Only the owner can delete it.
Change someone’s role
Open the item’s Sharing list, select the role button next to the person, and choose a new role. See it step by step.
Questions
Who can mark a task as done?
The owner and the person it is assigned to.
What role does an assignee get?
Admin. They can see, edit and share the task, and mark it as done.
Can a Contributor share the task?
No. They see Only the owner or an admin can share this task.
Related
Last checked against the Humble app: 16 October 2026.