eDiscovery guides
Microsoft Purview's toolset for finding, preserving, reviewing, and exporting content for legal cases and investigations. See the glossary entry →
15 guides touch on ediscovery.
- Business Premium vs Microsoft 365 E3
Business Premium vs Microsoft 365 E3: Premium wins on security for less money, E3 wins on mailboxes, Windows, and scale. How to choose, and how to mix them.
- Exchange Online archiving and litigation hold
How Exchange Online keeps mail beyond the primary mailbox — archive mailboxes, retention, and legal hold.
- How to put a mailbox on litigation hold
How to put a mailbox on litigation hold in Exchange Online: licence check, enabling the hold with a duration, what it preserves, and releasing it correctly.
- Microsoft 365 Copilot data security and privacy
How Microsoft 365 Copilot handles your tenant's data — what's sent to the model, what's retained, and what compliance covers.
- Microsoft 365 for enterprise
What changes when Microsoft 365 is deployed at enterprise scale — plans, identity, governance, and lifecycle.
- Microsoft Priva privacy management
Microsoft Priva is the data-privacy management product in Microsoft 365 — risk management and subject rights requests.
- Microsoft Purview audit retention
How long Microsoft 365 retains audit logs by default, what Audit (Premium) adds, and how to think about retention.
- Microsoft Purview records management
Records management is retention with teeth — declaring content as a record locks it for legal/regulatory compliance.
- OneDrive for Business vs OneDrive (personal)
Two products, one name — the differences between work and consumer OneDrive, and why mixing them is a bad idea.
- OneDrive Personal Vault
What OneDrive Personal Vault is, why it exists only in consumer OneDrive, and the equivalent protections for sensitive files in a work or school tenant.
- Purview Communication Compliance
Communication Compliance reviews emails, Teams chats, and Viva Engage messages against policy. Here's the model.
- Purview eDiscovery — standard vs premium
How Purview eDiscovery finds, preserves, and exports content for legal cases — and what premium adds.
- Restoring a deleted Microsoft 365 group and its resources
What comes back when you restore a deleted Microsoft 365 group: the 30-day window, the order things reappear, what does not return, and after the window.
- Teams chat retention and policies
How Teams chat messages are retained — defaults, Purview retention, eDiscovery scope, and end-user controls.
- What is Microsoft Purview?
What Microsoft Purview is: labels, DLP, retention, eDiscovery, insider risk, and the data-governance catalogue — how the two halves differ and where to start.