MailboxItem.ReadWrite.All | Graph Permissions

Permission Details

Application Permission

Read and write all users' mailbox items

Allows the app to read, write, and delete all users' mailbox items, without a signed-in user.

Permission ID: 1583d471-fede-4e7c-b062-57e9d60cfb49

Properties

Microsoft Graph v1.0 exact-category-docs

Properties is shown from stable Microsoft Graph v1.0 metadata.

Property	Type	Description
`categories`	`String collection`	The categories associated with the message. Inherited from outlookItem.
`changeKey`	`String`Nullable	The version of the item. Inherited from outlookItem.
`createdDateTime`	`DateTimeOffset`Nullable	The date and time when the item was created. The date and time information uses ISO 8601 format and is always in UTC. For example, midnight UTC on Jan 1, 2021 is 2021-01-01T00:00:00Z. Inherited from outlookItem.
`id`	`String`	The unique identifier for the item. Inherited from outlookItem.
`lastModifiedDateTime`	`DateTimeOffset`Nullable	The date and time when the item was last changed. The date and time information uses ISO 8601 format and is always in UTC. For example, midnight UTC on Jan 1, 2021 is 2021-01-01T00:00:00Z. Inherited from outlookItem.
`size`	`Int64`Nullable	The length of the item in bytes.
`type`	`String`Nullable	The message class ID of the item.
`multiValueExtendedProperties`	`multiValueLegacyExtendedProperty collection`	The collection of multi-value extended properties defined for the mailboxItem.
`singleValueExtendedProperties`	`singleValueLegacyExtendedProperty collection`	The collection of single-value extended properties defined for the mailboxItem.

JSON Representation

Microsoft Graph v1.0 exact-category-docs

JSON representation is shown from stable Microsoft Graph v1.0 metadata.

JSON representation

{
  "@odata.type": "#microsoft.graph.mailboxItem",
  "categories": [
    "String"
  ],
  "changeKey": "String",
  "createdDateTime": "String (timestamp)",
  "id": "String (identifier)",
  "lastModifiedDateTime": "String (timestamp)",
  "size": "Int64",
  "type": "String"
}

Relationships

Microsoft Graph v1.0 exact-category-docs

Relationships is shown from stable Microsoft Graph v1.0 metadata.

Relationship	Type	Description
`multiValueExtendedProperties`	`multiValueLegacyExtendedProperty collection`	The collection of multi-value extended properties defined for the mailboxItem.
`singleValueExtendedProperties`	`singleValueLegacyExtendedProperty collection`	The collection of single-value extended properties defined for the mailboxItem.
`categories`	`string collection`	The categories associated with the item

Graph Methods

Delegated access App-only access

No Learn or OpenAPI mapping available

Microsoft Graph v1.0 endpoints are not available from refreshed Microsoft Learn or Microsoft Graph OpenAPI metadata for this permission.

No API methods available for this version.

No Learn or OpenAPI mapping available

Microsoft Graph beta endpoints are not available from refreshed Microsoft Learn or Microsoft Graph OpenAPI metadata for this permission.

No API methods available for this version.

No Microsoft Learn PowerShell mapping available

Microsoft Graph PowerShell v1.0 commands are not available from refreshed Microsoft Learn PowerShell snippets for this permission.

No deterministic PowerShell command map is available for this permission.

Browse PowerShell docs

No Microsoft Learn PowerShell mapping available

Microsoft Graph PowerShell beta commands are not available from refreshed Microsoft Learn PowerShell snippets for this permission.

No deterministic PowerShell command map is available for this permission.

Browse PowerShell docs

Code Examples

C# / .NET SDK

using Azure.Identity;
using Microsoft.Graph;

var scopes = new[] { "MailboxItem.ReadWrite.All" };
var credential = new InteractiveBrowserCredential(
    new InteractiveBrowserCredentialOptions
    {
        ClientId = "YOUR_CLIENT_ID",
        TenantId = "YOUR_TENANT_ID",
        RedirectUri = new Uri("http://localhost")
    });

var graphClient = new GraphServiceClient(credential, scopes);
var response = await graphClient
    .WithUrl("https://graph.microsoft.com/v1.0/mailboxitem")
    .GetAsync();

JavaScript

import { Client } from "@microsoft/microsoft-graph-client";
import { InteractiveBrowserCredential } from "@azure/identity";

const credential = new InteractiveBrowserCredential({
  clientId: "YOUR_CLIENT_ID",
  tenantId: "YOUR_TENANT_ID",
  redirectUri: "http://localhost"
});

const token = await credential.getToken(["MailboxItem.ReadWrite.All"]);
const client = Client.init({
  authProvider: (done) => done(null, token.token)
});

const response = await client.api("/mailboxitem").get();

PowerShell

Connect-MgGraph -Scopes "MailboxItem.ReadWrite.All"
Invoke-MgGraphRequest -Method GET -Uri "https://graph.microsoft.com/v1.0/mailboxitem"

Python

from azure.identity import InteractiveBrowserCredential
import requests

credential = InteractiveBrowserCredential(
    client_id="YOUR_CLIENT_ID",
    tenant_id="YOUR_TENANT_ID"
)

token = credential.get_token("MailboxItem.ReadWrite.All")
response = requests.get(
    "https://graph.microsoft.com/v1.0/mailboxitem",
    headers={"Authorization": f"Bearer {token.token}"}
)

print(response.json())

App Registration

1

Navigate to Azure Portal

Go to App registrations in Microsoft Entra admin center

2

Add API Permission

Select your app → API permissions → Add a permission → Microsoft Graph

3

Select Permission Type

Choose Application permissions and search for MailboxItem.ReadWrite.All

4

Grant Admin Consent

Application permissions always require admin consent.