List messages

Namespace: microsoft.graph


APIs under the /beta version in Microsoft Graph are subject to change. Use of these APIs in production applications is not supported. To determine whether an API is available in v1.0, use the Version selector.

Retrieve the serviceUpdateMessage resources from the messages navigation property.

This operation retrieves all service update messages that exist for the tenant.

This API is available in the following national cloud deployments.

Global service US Government L4 US Government L5 (DOD) China operated by 21Vianet


Choose the permission or permissions marked as least privileged for this API. Use a higher privileged permission or permissions only if your app requires it. For details about delegated and application permissions, see Permission types. To learn more about these permissions, see the permissions reference.

Permission type Least privileged permissions Higher privileged permissions
Delegated (work or school account) ServiceMessage.Read.All Not available.
Delegated (personal Microsoft account) Not supported. Not supported.
Application ServiceMessage.Read.All Not available.

HTTP request

GET /admin/serviceAnnouncement/messages

Optional query parameters

This method supports the OData query parameters to help customize the response.

Request headers

Name Description
Authorization Bearer {token}. Required. Learn more about authentication and authorization.
Set the maximum page size preference. The maximum page size cannot be greater than 1000. If not specified, the default page size is 100. Optional.

Request body

Don't supply a request body for this method.


If successful, this method returns a 200 OK response code and a collection of serviceUpdateMessage objects in the response body. The response is paginated and default page size is 100.





Note: The response object shown here might be shortened for readability.

HTTP/1.1 200 OK
Content-Type: application/json

  "@odata.context": "$metadata#admin/serviceAnnouncement/messages",
  "@odata.nextLink": "$skip=100",
  "value": [
      "startDateTime": "2019-02-01T18:51:00Z",
      "endDateTime": "2019-06-01T08:00:00Z",
      "lastModifiedDateTime": "2021-01-08T01:10:06.843Z",
      "title": "(Updated) New feature: Changes to PowerPoint and Word to open files faster",
      "id": "MC172851",
      "category": "StayInformed",
      "severity": "Normal",
      "tags": [
        "Updated message"
      "isMajorChange": true,
      "actionRequiredByDateTime": null,
      "services": [
        "SharePoint Online",
        "OneDrive for Business"
      "expiryDateTime": null,
      "details": [
          "name": "ExternalLink",
          "value": ""
      "body": {
        "contentType": "Html",
        "content": "Updated January 07, 2021: Based on learnings from our early rings, we have made the decision to make additional changes to the code before we proceed with the rollout. We will update the Message center post once we re-start the rollout......"
      "viewPoint": null