Outlook Attachment Component shows users how to authenticate to Microsoft Graph to review Microsoft Outlook attachments. The Flow is an example of how to use OAuth 2.0 Authorization Code Flow, which can be used in apps that are installed on a device to gain access to protected resources, such as web APIs. Using the Microsoft identity platform implementation of OAuth 2.0, you can add sign-in and API access to your mobile and desktop apps. In this case, the Flow Authenticates to Microsoft to show messages and associated attachments and is an example of how to convert base64 encoded strings returned in REST APIs into binary for use in File Gallery User Steps.

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