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MIME format support for Outlook mail and attachments, translate item ID APIs are now available in Microsoft Graph v1.0

You can now use these Outlook APIs in Graph v1.0 to implement production apps that require access to the raw contents of an email message or an attachment. You can download file attachments in binary format or item attachments in MIME format. Also, you can translate the format of identifiers of multiple resources by specifying the source and target ID types.