Commands › Exchange Online
Add-MailboxFolderPermission
Add folder-level permissions for users in mailboxes.
Quick start script
# Add-MailboxFolderPermission — quick start (serv365.ai)
# 1. Connect (app-only shown; interactive: omit the certificate parameters)
Connect-ExchangeOnline -CertificateThumbprint $thumb -AppId $appId -Organization $org
# 2. Run and inspect
Add-MailboxFolderPermission -Identity <MailboxFolderIdParameter> -AccessRights <MailboxFolderAccessRight[]> -User <MailboxFolderUserIdParameter> | Format-List
# 3. Export for evidence / drift tracking
Add-MailboxFolderPermission | Export-Clixml .\MailboxFolderPermission-$(Get-Date -Format yyyyMMdd).xmlSyntax
Add-MailboxFolderPermission [-Identity] <MailboxFolderIdParameter> -AccessRights <MailboxFolderAccessRight[]> -User <MailboxFolderUserIdParameter>
[-Confirm]
[-DomainController <Fqdn>]
[-SendNotificationToUser <Boolean>]
[-SharingPermissionFlags <MailboxFolderPermissionFlags>]
[-WhatIf]
[<CommonParameters>]Parameters (8)
| Parameter | Type | Required | What it controls |
|---|---|---|---|
| -Identity | MailboxFolderIdParameter | yes | The Identity parameter specifies the target mailbox and folder. The syntax is `MailboxID:\ParentFolder[\SubFolder]`. |
| -AccessRights | MailboxFolderAccessRight[] | yes | The AccessRights parameter specifies the permissions that you want to add for the user on the mailbox folder. |
| -User | MailboxFolderUserIdParameter | yes | The User parameter specifies who's granted permission to the mailbox folder. Valid values are mail-enabled security principals (mail-enabled accounts or groups that have security identifiers or SIDs that can have... |
| -Confirm | SwitchParameter | The Confirm switch specifies whether to show or hide the confirmation prompt. How this switch affects the cmdlet depends on whether the cmdlet requires confirmation before proceeding. | |
| -DomainController | Fqdn | This parameter is available only in on-premises Exchange. | |
| -SendNotificationToUser | Boolean | This parameter is available only in the cloud-based service. | |
| -SharingPermissionFlags | MailboxFolderPermissionFlags | This parameter is available only in the cloud-based service. | |
| -WhatIf | SwitchParameter | The WhatIf switch shows what the command does without making any changes. You don't need to specify a value with this switch. |
Reference facts derived from Microsoft documentation, © Microsoft, licensed CC BY 4.0; restructured with original guidance by serv365.ai.