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Microsoft Purview eDiscovery vs kCura Relativity comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Oct 6, 2024

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Categories and Ranking

kCura Relativity
Ranking in eDiscovery
4th
Average Rating
8.0
Reviews Sentiment
8.1
Number of Reviews
7
Ranking in other categories
No ranking in other categories
Microsoft Purview eDiscovery
Ranking in eDiscovery
1st
Average Rating
7.6
Reviews Sentiment
7.5
Number of Reviews
8
Ranking in other categories
Microsoft Security Suite (22nd)
 

Mindshare comparison

As of February 2026, in the eDiscovery category, the mindshare of kCura Relativity is 5.5%, up from 5.0% compared to the previous year. The mindshare of Microsoft Purview eDiscovery is 9.8%, down from 26.7% compared to the previous year. It is calculated based on PeerSpot user engagement data.
eDiscovery Market Share Distribution
ProductMarket Share (%)
Microsoft Purview eDiscovery9.8%
kCura Relativity5.5%
Other84.7%
eDiscovery
 

Featured Reviews

HR
Legal Associate at Elevate
Easy to categorize documents and offers transparent view of documents
I found Relativity very useful because it's easy to categorize documents. If you get more complex litigation, like around 500,000 or 1,000,000 documents, it's easier to categorize them in Relativity. So, it's a more powerful tool for reviewing documents. I haven't faced any problems using Relativity yet. I found it very useful.
John Alvis - PeerSpot reviewer
Manager, Information Technology Operations & Security at a energy/utilities company with 201-500 employees
Enables us to guarantee that we followed the regulations
The ability to query everything that's in Microsoft and send links or add people, like managers, to review the documents is valuable. It's easy as I don't have to download and email anything. I just add them as a reviewer, and they can access it from there. Purview's inclusion of critical regulations is essential. Lawyers will ask how we gathered information. With Purview, we can guarantee that we've followed the regulations. The visibility into what's happening and who has access is great for legal matters and saves us a lot of time.

Quotes from Members

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Pros

"I like Relativity's blackout feature, as well as the Case Dynamics function."
"kCura Relativity is easy to use, and it is reliable."
"It is easy for a beginner to learn to use Relativity."
"There are a lot of ways to QC your work and save your searches, and we had really good case support from the Relativity team."
"The ease of navigation from dock to dock, and that kind of usability, is quite helpful."
"The initial setup was relatively straightforward."
"Caplets are a very good technical feature."
"The most valuable feature of Microsoft Purview eDiscovery is the content search. We can use it to find the data we need by searching for keywords, phrases, or the sender or recipient. It helps us gather information from current employees or ones who have left the company."
"The ability to query everything that's in Microsoft and send links or add people, like managers, to review the documents is valuable. It's easy as I don't have to download and email anything. I just add them as a reviewer, and they can access it from there."
"The most valuable feature of Microsoft Purview eDiscovery is its ability to search across various platforms, including Exchange, SharePoint, Teams, and OneDrive. It enables a streamlined, unified process for searching across these platforms."
"Purview eDiscovery has made it significantly easier to handle rare litigation requests."
"Tasks that took an entire day before we implemented Purview now take just 30 minutes."
"The machine learning wasn't half bad. I really like that part. I thought it was novel. It pretty much automated it, once you trained the model."
"Our legal team benefits from using Microsoft Purview eDiscovery."
"The speed of it is valuable. I am able to search even 10,000 mailboxes for specific content. It helps search and accommodate the often limited information provided by users regarding what they need."
 

Cons

"The price per user could be improved. We'd like for it to be more affordable."
"The platform's integration of advanced AI features could further enhance its capabilities."
"I haven't seen anything on AI merging with Relativity."
"What I dislike about Relativity is that we have to go through the host in order to do productions and loads. It is not a do-it-yourself tool."
"I would definitely not recommended it unless you have someone who has had experience with it and knows how to work the program."
"There are a lot of bugs on the development side."
"They require more built-in support for some third-party applications."
"I see two significant challenges with many of my clients. One is that there are some functionality gaps compared to specialized tools in the legal industry, like a legal hold tool or a document review tool. They have features that Purview eDiscovery lacks. Those gaps create a situation where I almost have to do things twice. I need to collect all my data in eDiscovery and ship it to another platform to complete the review."
"I would suggest adding more platforms."
"Purview Data Loss Protection for remediating policy violations needs refinement, for example, in defining what constitutes a credit card because that is where I get the most false positives."
"The sorting and filtering of the result data need improvement, and the interface for writing queries is not user-friendly for business users."
"We find that many critical functions are available only to E5 license holders. It would be beneficial to have more options available for E3 customers. Enhanced Teams functionalities and better capture of text message data, both SMS and MMS, would also be improvements."
"Purview eDiscovery works, but it's not entirely perfect. There were times when search results would get hung up or error codes would be presented and we'd have to contact Microsoft to get that sorted out."
"We find that many critical functions are available only to E5 license holders."
"Microsoft Purview eDiscovery should be cheaper."
 

Pricing and Cost Advice

"The pricing is extremely complicated."
"They are maintaining the per gigabyte pricing, and it's based on tiers of how much data you host with them."
"It's worth the money."
"Users are typically charged a fee per user account and a separate fee based on the amount of data processed and hosted."
"With the full bundle, pricing is not a significant concern. As an M3, I find the Purview pricing of 1250 per user worthwhile."
"The pricing and licensing with Microsoft can be complex, and licensing is known to be a challenge because it changes frequently. While the licensing for Purview is not as tricky as other Microsoft products, navigating licenses since the shift to E3 and E5 plans has been a task, as individual licenses must now be purchased separately."
"Microsoft Purview eDiscovery comes as part of Microsoft 365 licenses."
"In the positions that I've had through contracting over the years, I've heard talk of it being overpriced and underperforming compared to its competitors."
"The costs associated with E5 licensing are currently expensive for us, so we use the E3 license, which comes with fewer features and functionalities."
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Top Industries

By visitors reading reviews
Legal Firm
29%
Computer Software Company
9%
Government
9%
Manufacturing Company
5%
Government
13%
Financial Services Firm
12%
Computer Software Company
8%
Manufacturing Company
6%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business1
Midsize Enterprise4
Large Enterprise2
By reviewers
Company SizeCount
Small Business3
Midsize Enterprise2
Large Enterprise3
 

Questions from the Community

What is your experience regarding pricing and costs for kCura Relativity?
It's expensive for an individual, but for a company, it's not expensive. And for an individual, I believe it's of no use.
What needs improvement with kCura Relativity?
I haven't seen anything on AI merging with Relativity.
What is your primary use case for kCura Relativity?
We use Relativity to code documents for their responsiveness, privilege, private information, confidentiality, and so on. We use it to categorize our documents into different categories depending o...
What is your experience regarding pricing and costs for Microsoft Purview eDiscovery?
The setup process was very straightforward. We acquired pricing through our reseller in NASDAQ, eliminating the need to search for prices ourselves.
What needs improvement with Microsoft Purview eDiscovery?
The query language can be time-consuming to figure out if you don't know it initially. While there are options with dropdowns to select criteria, having a natural language feature would be benefici...
What is your primary use case for Microsoft Purview eDiscovery?
I sometimes use it for legal holds or to find lost items, and to determine what is going on. However, most of the time, my use case is legal-related.
 

Also Known As

Relativity
No data available
 

Overview

 

Sample Customers

Webb & Tyler
Information Not Available
Find out what your peers are saying about Microsoft Purview eDiscovery vs. kCura Relativity and other solutions. Updated: February 2026.
881,384 professionals have used our research since 2012.