OneNote - Email Archiving

OneNote for archiving.

Step-by-Step

Launch OneNote.
Expand the notebook menu, then select Add Notebook.
Select This PC, then select Create in a different folder.
Save the notebook to a safe location on the O: drive, like a private folder.
From Outlook, either select the Send to OneNote button in the tool ribbon, or right-click the email and select Send to OneNote.
To keep a complete copy of the email, drag the email into OneNote and select Attach File.