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

EWS.AccessAsUser.AllMicrosoft Graph permission · Low risk

Allows the app to have the same access to mailboxes as the signed-in user via Exchange Web Services.

Delegated permission

Low risk

Access mailboxes as the signed-in user via Exchange Web Services. Allows the app to have the same access to mailboxes as the signed-in user via Exchange Web Services.

ID9769c687-087d-48ac-9cb3-c37dde652038
ConsentUsers can consent, if your consent settings allow it
RiskRead access, limited to what the signed-in user can see.

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 "EWS.AccessAsUser.All"

Which apps already have it?

powershell6 lines
# Apps with delegated consent for EWS.AccessAsUser.All
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 "EWS.AccessAsUser.All" } |
    Select-Object ClientId, ConsentType, PrincipalId

Check every app in your tenant → Permission explainer