Have you seen this info about Office 365?
If you’re selling or using Office 365, take a look…
Osterman Research has identified a variety of Office 365 limitations related to archiving, security and encryption.
“Microsoft has taken pains to ensure that Office 365 operates with reasonable reliability and that its features and functions meet the needs of a wide range of potential customers. However, as with any mass-market, technology-based offering, there will be deficiencies in specific aspects of the features and function that many customers require.”