CmdID

CmdID / PowerShell / Cmdlets / Get

Get-MailboxPermission

Use the Get-MailboxPermission cmdlet to retrieve permissions on a mailbox. Exchange PowerShell reference

From the Exchange PowerShell reference 13 parameters Its page in the reference

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Parameters

13 in the Exchange PowerShell reference
-IdentityThe Identity parameter specifies the mailbox you want to view.
-CredentialThe Credential parameter specifies the username and password that's used to run this command.
-DomainControllerThe DomainController parameter specifies the domain controller that's used by this cmdlet to read data from or write data to Active Directory.
-GroupMailboxThe GroupMailbox switch is required to return Microsoft 365 Groups in the results.
-IncludeSoftDeletedUserPermissionsThe IncludeSoftDeletedUserPermissions switch returns permissions from soft-deleted mailbox users in the results.
-IncludeUnresolvedPermissionsThe IncludeUnresolvedPermissions switch returns unresolved permissions in the results.
-IncludeUserWithDisplayName
-OwnerThe Owner switch returns the owner information for the mailbox that's specified by the Identity parameter.
-ReadFromDomainControllerThe ReadFromDomainController switch specifies that information should be read from a domain controller in the user's domain.
-ResultSizeThe ResultSize parameter specifies the maximum number of results to return.
-SoftDeletedMailboxThe SoftDeletedMailbox switch is required to return soft-deleted mailboxes in the results.
-UseCustomRouting
-UserThe User parameter filters the results by who has permissions to the mailbox that's specified by the Identity parameter.