How Exchange Assistant Rules Work
This technical discussion first appeared on the msexchange discussion list on September 6, 1996. Thanks to Scott Briggs of Microsoft to allowing his explanation to be republished here. Technically, rules are not profile-specific. The Exchange Server itself has no knowledge of profiles in the client sense. The profile-specific nature of rules is merely the way

Out-of-Office is missing or grayed out
The Out-of-Office Assistant is missing Out-of-office Assistant is for Microsoft Exchange mailboxes only. Look for it on the File menu is Outlook 2010 or on the Tools menu in older versions. If you don't have an Exchange mailbox, you'll need to replicate it's actions using Rules Wizard, or better yet, use your email server's "vacation

