It's time to learn how to search through Vault and narrow down the results until you find what you need for your investigation.

First, you must indicate the kind of search you wish to perform by selecting one of these options on the first drop-down menu:

1. Mail, to investigate issues related to email messages. This could be because some member is suspected of sending inappropriate messages, or sharing sensitive information over email.
2. Drive, to investigate issues related to files. You might need this to find the source of sensitive files that have been leaked to the public.
3. Groups, to investigate messages that have been sent over group email accounts. This might be necessary when there is an issue with something being shared through one of the groups. 
4. Hangouts Chat, to investigate chat messages. 

Let's explore the different search options in the following sections. We will start by learning how to investigate through email messages.