Microsoft Graph Api Download Email Attachment _verified_ May 2026

GET https://graph.microsoft.com/v1.0/me/messages/{message-id}/attachments/{attachment-id}/$value Use code with caution. The response will be the raw binary stream of the file. Python (Requests Library)

The Microsoft Graph API provides a unified way to programmatically download email attachments from Office 365, Outlook.com, and Exchange Server. This process involves identifying the target message, listing its attachments, and then retrieving the raw file content or properties. microsoft graph api download email attachment

Downloading an attachment is typically a three-step process: GET https://graph

You can use the standard Requests library to handle the raw byte stream: listing its attachments

GET https://graph.microsoft.com/v1.0/me/messages/{message-id}/attachments Use code with caution.

For .NET developers, the Microsoft Graph SDK provides a strongly-typed way to access these properties:

Query the attachments collection for that specific message to get individual attachment IDs.