MS Word attachments don't save with Word doc.

Hello,

I use MS Word to send emails.  I also add attachments and enter info into the subject line.  If I save the file, close, and reopen it, the attachments disappear and subject line becomes the name of the file.  Is there a way to preserve those items?  Maybe it's a setting within Word?  I attached a screen shot so it's clear what I'm talking about.


Thanks!
Joel