Add an attachment to an email message
To share a file via Email, you can simply attach it to your message.
You can also attach other items, such as other messages, contacts, or Outlook tasks.
Open or save an email message attachment
You can directly open any attachment from the reading pane or from an opened message.
After opening and viewing an attachment you easily can save it.
If the message has more than one attachment, you can save them as a group or one at a time.
Open an attachment
There is multiple options available to open an attachment. (Depends on your version of Outlook)
Save an attachment