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Microsoft Purview Data Lifecycle Management vs Mimecast Advanced Email Security comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Jun 2, 2026

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

Microsoft Purview Data Life...
Ranking in Email Archiving
9th
Average Rating
8.4
Reviews Sentiment
5.2
Number of Reviews
4
Ranking in other categories
Document Management Software (5th), Data Governance (26th), Microsoft Security Suite (27th)
Mimecast Advanced Email Sec...
Ranking in Email Archiving
1st
Average Rating
8.0
Reviews Sentiment
5.9
Number of Reviews
48
Ranking in other categories
Email Security (4th), Office 365 Protection (2nd), Secure Email Gateway (SEG) (3rd)
 

Mindshare comparison

As of October 2026, in the Email Archiving category, the mindshare of Microsoft Purview Data Lifecycle Management is 2.8%, up from 0.1% compared to the previous year. The mindshare of Mimecast Advanced Email Security is 12.7%, down from 21.1% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Email Archiving Mindshare Distribution
ProductMindshare (%)
Mimecast Advanced Email Security12.7%
Microsoft Purview Data Lifecycle Management2.8%
Other84.5%
Email Archiving
 

Featured Reviews

ST
Ict Systems Manager at Lltnpa
Automated retention has transformed compliance workflows and now simplifies audit responses
The deep native integration with Microsoft 365 is what ultimately made me decide on Microsoft Purview Data Lifecycle Management over Enterprise Vault and OpenText Content Manager. Auto-apply retention labels using machine learning is the specific integration with Microsoft 365 that made it the deciding factor for me over Enterprise Vault or OpenText. Manually labeling content at our data volumes is not realistic. The automated classification based on sensitive information types and trainable classifiers is what makes the program actually scale. That feature gets used constantly. We went from inconsistent ad-hoc retention practices to a consistent, automated, documented program across the whole organization with Microsoft Purview Data Lifecycle Management. That shift from a compliance audit perspective is enormous.
Avinash Mishra - PeerSpot reviewer
Manager - EUC at Finthrive
Advanced email filtering has blocked massive spam volumes and prevents unauthorized data leaks
Improvements for Mimecast Advanced Email Security include enhancing the user interface and accessibility, particularly regarding admin capabilities to add or modify user accounts. Streamlining this could improve overall usability and security management for users. Reporting is another area needing improvement in Mimecast Advanced Email Security, as the reports provided are not very easy to decipher. With artificial intelligence being integrated into various tools including Mimecast Advanced Email Security, I believe there is potential to enhance functionality, enabling users to ask specific questions and retrieve concise answers instead of overwhelming data. I choose a nine for Mimecast Advanced Email Security because improvements such as better user interface and artificial intelligence integration features would greatly enhance its usability. While no tool is perfect, these adjustments could greatly elevate Mimecast Advanced Email Security's capabilities.

Quotes from Members

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

Pros

"The system is stable; I haven't encountered any worldwide stability issues unlike other office products."
"The impact of Microsoft Purview Data Lifecycle Management on my unified data catalog has improved a lot; the improvements I see are in the lineage, the discovery, and the labeling."
"HPE Apollo Systems has positively impacted our organization by improving business operations by eighty percent, saving time, improving efficiency, and facilitating the management of large data sets."
"The UI is the most valuable feature."
"We went from inconsistent ad-hoc retention practices to a consistent, automated, documented program across the whole organization with Microsoft Purview Data Lifecycle Management."
"Based on overall experience, Mimecast Email Security is the best solution for traditional gateways."
"Mimecast Advanced Email Security has positively impacted our organization by securing our environment better than before compared to what we used to configure earlier to deliver the email."
"My advice to those considering this product would be to go for it."
"The solution is stable and reliable; there are no bugs or glitches, and it doesn't crash or freeze."
"It's good, it keeps the spam out, and it does a really good job at not allowing threats through."
"It offers an easy initial setup."
"The interface of this solution is very easy to navigate and user-friendly. There is no delivery in email and other communications, making it reliable. The configuration is relatively easy."
"The solution is scalable."
 

Cons

"There is no specific improvement I would suggest for Microsoft Purview Data Lifecycle Management, but I think if they can work on policy design and usability, adding more granular control for the organization regarding controlling the movement of data outside would definitely improve the solution."
"Microsoft's Purview Data Lifecycle Management preview features can be unreliable, hindering their usefulness."
"The initial setup took longer than we expected. Microsoft Purview Data Lifecycle Management is not a turn-it-on-and-go product."
"I think labeling could use a lot more AI assistance. AI implementation into labeling would be beneficial."
"The time it takes to scan is one issue; when we raise high-volume issues and tickets related to scanning failures, it relates to permission errors, which are technical challenges."
"What can be improved with Mimecast Advanced Email Security is around the Brand Exploit Protect tool; the turnaround times to take down sites or block them in the meantime are a bit slow, and the detection of brand exploitation out in the world could be better."
"Mimecast need to ensure that the body text format is correctly handled and that images are properly embedded in the body text."
"For improvement, I would say some of the catalogs, while navigating, were a little tricky."
"It was not a good experience due to the fact that our main infrastructure had a problem for that entire time."
"The price could be better, it should be reduced."
"The solution should include more AI features instead of Mimecast's more general static configuration tooling."
"The interface isn't the best. How everything works on the back end is confusing."
"The solution is complex and not easy to use."
 

Pricing and Cost Advice

"The service operates on a pay-as-you-go basis, charging an extra one cent per field of metadata scanned in our data."
"Two subscription options are currently offered: monthly and yearly. My suggestion is to opt for the yearly subscription as it can give some discount. The pricing isn't high as other cloud solutions are pricier than Microsoft's offerings."
"Compared to the other solutions in the market, Mimecast Email Security with Targeted Threat Protection's pricing is fine."
"For what it is, the product is overpriced."
"The product has good pricing in terms of return on investment."
"The customers can select the license packages as per their requirements."
"On a scale of one to ten, where one is cheap, and ten is expensive, I rate the pricing a ten."
"I'm always going to say the price needs to be lower, but it's reasonable."
"The licensing costs are per-user for the product that you get with them."
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Top Industries

By visitors reading reviews
Computer Software Company
12%
Government
10%
Financial Services Firm
10%
Comms Service Provider
8%
Outsourcing Company
10%
Computer Software Company
9%
Financial Services Firm
9%
Construction Company
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
By reviewers
Company SizeCount
Small Business20
Midsize Enterprise13
Large Enterprise23
 

Questions from the Community

What needs improvement with Microsoft Purview Data Lifecycle Management?
Better coverage outside Microsoft 365 is a feature I wish Microsoft Purview Data Lifecycle Management had that it does not offer today. If I could change one thing about Microsoft Purview Data Life...
What is your primary use case for Microsoft Purview Data Lifecycle Management?
Automating retention and deletion across our Microsoft 365 environment is my main use case for Microsoft Purview Data Lifecycle Management. At Microsoft scale, Exchange, SharePoint, OneDrive, and T...
What advice do you have for others considering Microsoft Purview Data Lifecycle Management?
Microsoft Purview Data Lifecycle Management implementation is very much a team-wide effort. The policies apply organization-wide across all Microsoft 365 users. The management side, configuring pol...
What needs improvement with Mimecast Email Security with Targeted Threat Protection?
There is room for improvement since new threats are emerging. Considering the availability of new features would be worthwhile. Mimecast Email Security is somewhat expensive compared to the competi...
 

Also Known As

Microsoft Information Governance, Microsoft Purview Records Management
Mimecast Email Security with Targeted Threat Protection, Mimecast Web Security, Mimecast Mailbox Continuity, Email and Collaboration Threat Protection
 

Overview

 

Sample Customers

Information Not Available
Hewlett-Packard Company (HP), Cushman and Wakefield, PIB Group, Swissport
Find out what your peers are saying about Microsoft Purview Data Lifecycle Management vs. Mimecast Advanced Email Security and other solutions. Updated: September 2026.
914,938 professionals have used our research since 2012.