Create Attachments via Drag-and-Drop in Outlook
To attach a file swiftly using drag-and-drop in Outlook:
- Open the folder containing the file you want to attach in Windows Explorer.
- Make sure your Inbox is open in Outlook.
- Grab the file from Windows Explorer with your mouse and drop it on your open Inbox.
Microsoft Outlook automatically starts a new email message with the file attached.
This works with multiple files as well.