Within each case, you can create analytics rules to identify the items that match your search criteria. You can also configure these rules to apply marks and tags automatically to the matched items. This lets you automatically categorize the items that match your criteria, before you manually review them in the Review pane.
All the indexed mail attributes and the content of each message are searchable in the analytics rules that you create. For example, you can automatically classify all the messages that are based on attributes such as the name of the sender, or words that are present in the subject lines of the messages. Each case can have many rules, and each rule can have multiple conditions.
Note the following: