title	Add attachment
description	Use this API to create a new Attachment.
author	SuryaLashmiS
ms.localizationpriority	medium
ms.subservice	outlook
doc_type	apiPageType
ms.date	06/22/2024

Add attachment

Namespace: microsoft.graph

[!INCLUDE beta-disclaimer]

Use this API to create a new Attachment.

An attachment can be one of the following types:

A file (fileAttachment resource).
An item (contact, event or message, represented by an itemAttachment resource).
A link to a file (referenceAttachment resource).

All these types of attachment resources are derived from the attachment resource.

[!INCLUDE national-cloud-support]

Permissions

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.

[!INCLUDE permissions-table]

HTTP request

POST /me/messages/{id}/attachments
POST /users/{id|userPrincipalName}/messages/{id}/attachments

Request headers

Name	Type	Description
Authorization	string	Bearer {token}. Required. Learn more about authentication and authorization.
Content-Type	string	Nature of the data in the body of an entity. Required.

Request body

In the request body, supply a JSON representation of Attachment object.

Response

If successful, this method returns 201 Created response code and Attachment object in the response body.

Example (file attachment)

Request

The following example shows a request.

HTTP

POST https://graph.microsoft.com/beta/me/messages/{id}/attachments
Content-type: application/json

{
  "@odata.type": "#Microsoft.OutlookServices.FileAttachment",
  "name": "name-value",
  "contentType": "contentType-value",
  "isInline": false,
  "contentLocation": "contentLocation-value",
  "contentBytes": "contentBytes-value"
}

C#

[!INCLUDE sample-code] [!INCLUDE sdk-documentation]

Go

[!INCLUDE sample-code] [!INCLUDE sdk-documentation]

Java

[!INCLUDE sample-code] [!INCLUDE sdk-documentation]

JavaScript

[!INCLUDE sample-code] [!INCLUDE sdk-documentation]

PHP

[!INCLUDE sample-code] [!INCLUDE sdk-documentation]

PowerShell

[!INCLUDE sample-code] [!INCLUDE sdk-documentation]

Python

[!INCLUDE sample-code] [!INCLUDE sdk-documentation]

Response

The following example shows the response. Note: The response object shown here might be shortened for readability.

HTTP 201 Created

Example (item attachment)

Request

HTTP

POST https://graph.microsoft.com/beta/me/events/{id}/attachments
Content-type: application/json

{
  "@odata.type": "#Microsoft.OutlookServices.ItemAttachment",
  "name": "name-value",
  "item": {
    "@odata.type": "microsoft.graph.message"
  }
}