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← cd ~/graph-permissions
// graph-permissions · MailboxFolder

MailboxFolder.ReadWriteMicrosoft Graph permission · Medium risk

Allows the app to read and write the user's mailbox folders, on behalf of the signed-in user.

Delegated permission

Medium risk

Read and write a user's mailbox folders. Allows the app to read and write the user's mailbox folders, on behalf of the signed-in user.

ID077fde41-7e0b-4c5b-bcd1-e9d743a30c80
ConsentUsers can consent, if your consent settings allow it
RiskCan make changes. Check the scope is as narrow as possible.

Ask for it when signing in

Delegated permissions act as the signed-in user, so the app can never do more than that user can.

powershell1 line
Connect-MgGraph -Scopes "MailboxFolder.ReadWrite"

Which apps already have it?

powershell6 lines
# Apps with delegated consent for MailboxFolder.ReadWrite
Connect-MgGraph -Scopes "Application.Read.All", "Directory.Read.All"
$graph = Get-MgServicePrincipal -Filter "appId eq '00000003-0000-0000-c000-000000000000'"
Get-MgOauth2PermissionGrant -All |
    Where-Object { $_.ResourceId -eq $graph.Id -and ($_.Scope -split " ") -contains "MailboxFolder.ReadWrite" } |
    Select-Object ClientId, ConsentType, PrincipalId

Other MailboxFolder permissions

Check every app in your tenant → Permission explainer