List threads

Namespace: microsoft.graph

Get all the threads in a group conversation.

Note: You can also get all the threads of a group.

This API is supported in the following national cloud deployments.

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


One of the following permissions is required to call this API. To learn more, including how to choose permissions, see Permissions.

Permission type Permissions (from least to most privileged)
Delegated (work or school account) Group.Read.All, Group.ReadWrite.All
Delegated (personal Microsoft account) Not supported.
Application Group.Read.All, Group.ReadWrite.All

HTTP request

GET /groups/{id}/conversations/{id}/threads

Optional query parameters

This method supports the $select OData query parameter to help customize the response for example, to retrieve the toRecipients and ccRecipients properties.

Request headers

Header Value
Authorization Bearer {token}. Required.

Request body

Do not supply a request body for this method.


If successful, this method returns a 200 OK response code and collection of conversationThread objects in the response body.



The following is an example of the request.



The following is an example of the response.

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

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

    "@odata.context": "$metadata#groups('4d81ce71-486c-41e9-afc5-e41bf2d0722a')/conversations('AAQkAGRhZmRhMWM3LTYwZTktNDZmYy1hNWU1LThhZWU4NzI2YTEyZgAQABKPPJ682apIiV1UFlj7XxY%3D')/threads",
    "value": [
            "id": "AAQkAGRhZmRhMWM3LTYwZTktNDZmYy1hNWU1LThhZWU4NzI2YTEyZgMkABAAEo88nrzZqkiJXVQWWPtfFhAAEo88nrzZqkiJXVQWWPtfFg==",
            "topic": "The new Ask HR group is ready",
            "hasAttachments": false,
            "lastDeliveredDateTime": "2021-08-02T11:42:38Z",
            "uniqueSenders": [
                "Ask HR"
            "preview": "Welcome to the Ask HR group.Use the group to share ideas, files, and important dates.Start a conversationRead group conversations or start your own.Add to the team siteStart sharing and collaborating on content in SharePoint.Share filesView,",
            "isLocked": false