Below are several resources for Outlook training and reference
Email Communication Policies
Basic Training
Reference Articles:
Redirect or forward all emails
Set an automatic reply on a public folder
Access an Outlook Shared Mailbox
Remove a Outlook Shared Mailbox
Update the Offline Address Book
View or Add Room Calenders (Resources)
Email Automatic Replies (aka Out of Office Assistant or OOA)
Change recipients of a SendEmailsTo group
Signing Out (removing your account)
View Email Source Code (aka Internet Headers)