Skip to content
Market Tracked raises in 2026$3.41B+$183M this week Rounds76 LatestBlue J$176M Series E Tuesday, November 10
Litigation and Discovery

What Is ESI?

Any information created, stored or used in digital form that may be relevant in litigation: email, documents, chat messages, databases, audio, video and more.

Legal Tech GlossaryBy The Circle Desk

Why It Matters

The range of ESI keeps growing, from Slack and Teams messages to collaboration documents and mobile data. Each new source brings new questions about preservation, collection and review.

Litigation & eDiscovery Companies

See every Litigation & eDiscovery company

Related Terms

eDiscovery
Collecting, reviewing and producing electronically stored information, such as email, chat and documents, in litigation, investigations and regulatory requests.
Legal hold
An instruction to preserve information that may be relevant to a reasonably anticipated or pending legal matter, suspending normal deletion.
Data collection (eDiscovery)
Gathering potentially relevant ESI from email systems, devices, cloud apps and other sources in a way that preserves its integrity and metadata.

General information, not legal advice. Part of the Legal Tech Glossary, 173 terms in plain English.