Add archiving and eDiscovery to G Suite
With Google Vault you can Manage, retain, search, and export your organization’s email, Google Drive file content and on-the-record chats. As a part of G Suite Business and Enterprise editions, Vault allows you to archive corporate data from G Suite products including, Gmail, Google Drive, Google Teams Drive, Google Groups, and Google Hangouts Meet.
What Is Goolge Vault?

Google Vault is an add-on for G Suite that lets you retain, archive, search, and export your organization’s email and chat messages for your eDiscovery and compliance needs. You can also search and export your organization’s files in Google Drive. Vault is entirely web-based, so there’s no need to install or maintain any software.

Retention Rules
Set retention rules to control how long email messages and history-on chats are retained before they are removed from user mailboxes and deleted from Google systems
Legal Holds
Place legal holds on users to preserve all their emails and on-the-record chats indefinitely in order to meet legal or other retention obligations. You can place legal holds on all content in a user’s account, or target specific content based on dates and terms.
Search
Search your domain’s Google Drive accounts by user account, organizational unit, date, or keyword. Search results include Google file types as well as non-Google file types such as PDF, DOCX, and JPG
Search your domain’s email, history-on Hangouts, and on-the-record Google Talk chats by user account, date, or keyword. Vault supports Boolean, Gmail-specific, and wildcard operator searches
Export
Export specific email, on-the-record chats, and files from Drive to standard formats for additional processing and review
Use Vault audit reports to learn about actions Vault users have taken during a specified period of time.x
To ensure