You can forward an email as an attachment from Outlook.com as well as the Outlook desktop app. It is possible in Outlook 2019/16 as well as Microsoft 365.

Instead, you can respond to an email in Outlook without losing its original attachments, using a special Outlook add-in or by including the original message in your reply.

You can attach an Email to a Calendar Event in Outlook. In this tutorial, we will explain how to send a Calendar as an attachment in Outlook.

Increase attachment size limit on Outlook by adjusting registry settings or using cloud storage options. Send larger files easily without hitting size restrictions.