Guest access in Microsoft Planner lets you and your team collaborate and participate with people from outside of your organization by granting them access to view and interact with your plan. Guest users can create and delete buckets and tasks, edit task fields, and edit the plan name. If you grant the guest user additional permissions, they can also attach a file or link to a task. Guest users will also receive some of the notifications associated with your plan.
Note: Planner email notifications for task assignments are not supported for guest users.
How it works
Planner builds on the Microsoft 365 groups guest access feature. If Microsoft 365 Groups guest access is turned off, you won’t be able to add guest users to plans. For more information, see Guest access in Microsoft 365 groups.
- Step 1 A group owner adds a guest to the group.Note: To find the group associated with a plan, go to outlook.com, and in the Folders pane scroll down to the Groups folder and find your plan name.
- Step 2 The invited guest gets a welcome email from the group. If they do not already have a guest account with the organization, they need to accept this invitation to create one. In the welcome email, under Read group files, select the Access files link and following the instructions to create a guest account.
- Step 3 To access a plan, guests either need to use a specific plan URL or go to https://tasks.office.com/[organizationdomainname]. You can find the organization’s domain name in any non-guest user’s email address; for example: [email protected]. The general Planner URL, https://tasks.office.com/, takes non-guest Microsoft 365 users to Planner, but won’t know from the guest user name which organization they want to sign in to.
- Step 4 The guest can leave the plan at any time using a link at the bottom of each email and calendar invitations.
Permissions
The following table summarizes what group owners, plan members, and guests can and can’t do.
| Task | Non-guest owners and members | Guest user members |
|---|---|---|
| Create tasks and buckets | Yes | Yes |
| Edit task fields | Yes | Yes |
| Attach a file or link to tasks | Yes | Yes. However, an admin must allow it through the Microsoft 365 Groups settings. For more information, see Allow guests to be added to all Microsoft 365 groups. |
| Invite guest users | Yes | No |
| Comment on a task | Yes | Yes |
| Create a plan | Yes | Yes |
| Delete a public plan | Yes | No |
| Delete a private plan | Yes. Group owners only. | No |
| Add members to a public plan | Yes | No |
| Add members to a private plan | Yes. Group owners only. | No |
| Edit plan name | Yes | Yes |
| Edit public plan settings | Yes | No |
| Edit private plan settings | Yes. Group owners only. | No |
| View public plans | Yes | Yes |
| Join public plans | Yes | No |
ref: https://support.microsoft.com/en-us/office/guest-access-in-microsoft-planner-cc5d7f96-dced-4da4-ab62-08c72d9759c6