Outlook auto-archive is on by default and set to every two weeks. It will by default archive everything 2 months old and older. It will also prompt the user to run it. I would give some thought to archiving before using this as your default archiving method. Auto-archive archives to the desktop hard drive. Are your desktop computers’ hard drives being backed up? If they are not then if the HD crashes your users will lose their archived email. If they change computers they are going to want their old archived email so you will have to have a plan to manage that. Also consider whether you want users to be able to take their archived email home with them which they can do if they copy the archive file to a pen drive or write it to a CD. What if you fire an employee, do you want them to keep their company email? I don’t recommend it. For security and retention reasons I would suggest instead you investigate a third party archiving solution for the corporation.