> For the complete documentation index, see [llms.txt](https://docs.realmjoin.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.realmjoin.com/automation/runbooks/runbook-references/user/mail/list-mailbox-permissions.md).

# List Mailbox Permissions

### Description

Lists different types of permissions like mailbox access, SendAs, and SendOnBehalf permissions for a mailbox. Outputs each permission type as formatted tables. This also works for shared mailboxes.

### Location

User → Mail → List Mailbox Permissions

**Full Runbook name**

rjgit-user\_mail\_list-mailbox-permissions

### Permissions

#### Application permissions

* **Type**: Office 365 Exchange Online
  * Exchange.ManageAsApp

#### RBAC roles

* Exchange administrator

### Parameters

#### UserName

User principal name of the mailbox.

| Property      | Value  |
| ------------- | ------ |
| Required      | true   |
| Default Value |        |
| Type          | String |

[Back to Runbook Reference overview](/automation/runbooks/runbook-references.md)


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