Sometimes you don't want to send the email immediately but rather save it to your computer or a cloud folder like OneDrive. Open the email you want to save. Click "File" in the top left corner. Select "Save As." Choose your folder destination.
Select the file type. On Windows, ".msg" is standard; on Mac or web, you may see ".eml." Click "Save." how to download outlook email as attachment
Drag the email from your message list directly into the new message composition area. It will upload as an attachment. Saving Emails as Files (.MSG or .EML) Sometimes you don't want to send the email
In the "Home" tab on the top ribbon, look for the "Respond" group. Select "Save As
Resize the windows so you can see both your inbox and the new message. Click and hold the email you want to download. Drag it into the body of the new message. The email will automatically appear as an .msg attachment. Using the "Forward as Attachment" Feature
If you don’t want to mess with window resizing, Outlook has a built-in command specifically for this. For Windows Users Select the email in your inbox.