- How retention works (https://support.google.com/vault/answer/2990828?hl=en&ref_topic=3209998)
- Organize and create matters (https://support.google.com/vault/answer/2462419)
- Use search operators (https://support.google.com/vault/answer/2474474)
- Get started with search and export (https://support.google.com/vault/answer/6161352?hl=en)
- Importing and exporting your mail (http://kb.mozillazine.org/Importing_and_exporting_your_mail)