Purview & Compliance

Streamline eDiscovery with Purview Custodian Review Sets and Analytics

In today's digital-centric world, effectively managing electronic discovery (eDiscovery) is essential for organisations striving for efficiency and compliance...

GR Badhon 3 min updated 23 Aug 2026
Streamline eDiscovery with Purview Custodian Review Sets and Analytics. Purview & Compliance article banner on grbadhon.com

In today’s digital-centric world, effectively managing electronic discovery (eDiscovery) is essential for organisations striving for efficiency and compliance. Discover how you can streamline eDiscovery with Purview custodians review sets and analytics, turning a complex process into an opportunity for more effective data management and insights.

Understanding eDiscovery and Its Challenges

eDiscovery refers to the process of identifying, collecting, and producing electronically stored information (ESI) for legal procedures. With the growing influx of digital data, managing this information is increasingly challenging. The stakes are high: poorly handled eDiscovery can lead to legal setbacks and financial penalties.

Traditional eDiscovery methods often entail sorting through massive data sets, which can be time-consuming and costly. Adding to the complexity are strict compliance requirements and deadlines. This is where Microsoft Purview comes into play, providing streamlined solutions for eDiscovery.

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Introduction to Microsoft Purview

Microsoft Purview is a comprehensive suite of information governance and compliance solutions designed to help businesses manage their data more efficiently. It offers features that allow organisations to simplify eDiscovery, ensuring data is both easily accessible and secure.

One point to correct up front, because the phrase custodian review sets is misleading: custodians and review sets are two different things, not one feature. Custodians are the people, along with their mailboxes and sites, that you place in scope. A review set is a separate secure Azure storage location that you load matching content into for tagging and analysis. Review sets are a premium eDiscovery capability and need an E5 or equivalent subscription. In the current unified eDiscovery experience the case, not the custodian, is the primary organising unit. By leveraging these tools, organisations can identify and collect relevant data quickly, saving significant time and resource.

Leverage Custodians in Review Sets

Central to Purview’s eDiscovery capabilities are custodian review sets. Custodians are specific individuals within an organisation who may hold information pertinent to a litigation or compliance issue. By concentrating on custodians, reviewers can filter through less irrelevant data and focus efforts on critical areas.

Custodian review sets enable users to systematically gather information associated with specific individuals or departments. This targeted approach not only narrows down the search but also ensures that the legal teams are examining the most pertinent data.

Utilise Analytics for Deeper Insights

Purview’s analytics are engineered to handle large data volumes, making it easier to discern patterns and crucial details within enormous data sets. With advanced machine learning features, Purview can automatically tag and categorise data, highlighting key insights that might otherwise go unnoticed.

By streamlining eDiscovery with Purview custodians review sets and analytics, organisations can expedite their data analysis processes. With powerful analytical capabilities, businesses can transform data into actionable insights, ensuring that nothing critical is overlooked in high-stakes scenarios.

Maximise Efficiency and Compliance

Implementing Purview solutions means enhancing both efficiency and compliance. By using review sets and cutting-edge analytics, companies can speed up their eDiscovery processes while ensuring adherence to compliance standards.

Purview’s solutions are designed for scalability, allowing users to easily adapt to different sizes and scopes of legal inquiries. As a result, organisations can confidently tackle eDiscovery challenges, propose precise legal arguments, and uphold strict regulatory requirements.

Conclusion

To successfully manage eDiscovery needs in today’s digital environment, employing robust tools like Microsoft Purview is essential. By streamlining eDiscovery with Purview custodians review sets and analytics, businesses can ensure efficient, compliant, and insightful data management suited for modern legal challenges.

These tools not only enhance data accessibility and security but also provide powerful analytics that can transform the way organisations realise data potential. Embrace these advanced solutions to stay ahead in your eDiscovery strategies.

Last verified against Microsoft documentation on 20 August 2026: Learn about eDiscovery.

Common questions

eDiscovery is the process of identifying, collecting and producing electronically stored information for legal procedures. As the volume of digital data grows, doing that within strict compliance requirements and deadlines becomes harder. Handling it poorly carries real consequences, including legal setbacks and financial penalties, which is why organisations look for tooling that narrows the data set early.

A custodian is a specific individual within the organisation who may hold information relevant to a litigation or compliance matter. Naming custodians scopes the collection to those people, so reviewers work through far less irrelevant data. The same approach extends to departments, which lets a case be built around the sources most likely to hold pertinent material.

A custodian is a person who may hold relevant information, and naming them determines what gets collected. A review set is where that collected material is gathered so it can be examined systematically. Working the two together means legal teams look at data associated with named individuals or departments rather than at everything the organisation holds.

Traditional methods require sorting through massive data sets, which is both slow and expensive, and the compliance deadlines do not move to accommodate it. Narrowing collection to named custodians removes a large amount of irrelevant material before anyone reads it. Analytics then handle the remaining volume, tagging and categorising automatically so patterns and key details are not missed.

They process large volumes of collected data to surface patterns and details that would be difficult to spot by reading. Machine learning tags and categorises the material automatically and highlights insights that might otherwise be overlooked. The practical effect is a faster path from raw collected data to the points a legal team can act on in a high stakes matter.

Yes. The solutions are designed for scalability, so the same custodian and review set approach applies whether the inquiry is narrow or covers a large part of the organisation. That adaptability is what lets a compliance team keep one process for all matters instead of improvising a method for each new request.

Purview & Compliance