--- title: Email Security For Office 365 Reviews meta\_title: 'Email Security For Office 365 Reviews 2026: Details, Pricing, & Features | G2' meta\_description: Filter 29 reviews by the users' company size, role or industry to find out how Email Security For Office 365 works for a business like yours. aggregate\_rating: rating\_value: 4.4 review\_count: 29 scale: '5' date\_modified: '2026-08-07' parent\_category: name: Email Security url: https://www.g2.com/categories/email-security --- ### Email Security For Office 365 Pros and Cons: Top Advantages and Disadvantages #### Quick AI Summary Based on G2 Reviews Generated from real user reviews Users appreciate the **helpful alerts** that enhance email safety by notifying about potential phishing threats. [(1 mentions)](https://www.g2.com/products/email-security-for-office-365/reviews?filters%5Bsentiment_snippet%5D=2337086&qs=pros-and-cons#reviews) Users find the **cost efficiency** of Email Security for Office 365 beneficial, especially with business premium plans. [(1 mentions)](https://www.g2.com/products/email-security-for-office-365/reviews?filters%5Bsentiment_snippet%5D=1843680&qs=pros-and-cons#reviews) Users value the **ease of use** of Email Security For Office 365, simplifying phishing email identification and enhancing safety. [(1 mentions)](https://www.g2.com/products/email-security-for-office-365/reviews?filters%5Bsentiment_snippet%5D=2337073&qs=pros-and-cons#reviews) Users value the **phishing protection** which educates them on identifying risks in emails and enhances their security awareness. [(1 mentions)](https://www.g2.com/products/email-security-for-office-365/reviews?filters%5Bsentiment_snippet%5D=2337096&qs=pros-and-cons#reviews) Users find the **difficult training** necessary for Email Security For Office 365 to be a hurdle in usage. [(1 mentions)](https://www.g2.com/products/email-security-for-office-365/reviews?filters%5Bsentiment_snippet%5D=1843887&qs=pros-and-cons#reviews) Users report **email classification issues** , with some emails incorrectly flagged or missed entirely by the security system. [(1 mentions)](https://www.g2.com/products/email-security-for-office-365/reviews?filters%5Bsentiment_snippet%5D=2337066&qs=pros-and-cons#reviews) Users experience **poor detection** as some emails are misclassified or bypass security checks entirely. [(1 mentions)](https://www.g2.com/products/email-security-for-office-365/reviews?filters%5Bsentiment_snippet%5D=2337091&qs=pros-and-cons#reviews) ### Top Pros or Advantages of Email Security For Office 365 ##### 1. Alerts Users appreciate the **helpful alerts** that enhance email safety by notifying about potential phishing threats. [ See 1 mentions ](https://www.g2.com/products/email-security-for-office-365/reviews?filters%5Bsentiment_snippet%5D=2337086&qs=pros-and-cons#reviews) See Related User Reviews ![Neil C.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Neil C.") NC Neil C. Enterprise (\> 1000 emp.) 5.0/5 "Email links are identified and feels safer" What do you like about Email Security For Office 365? It classifies internal and external emails and notifies the user to be careful before clicking any links in the emails. It is easy to understand and t ##### 2. Cost Efficiency Users find the **cost efficiency** of Email Security for Office 365 beneficial, especially with business premium plans. [ See 1 mentions ](https://www.g2.com/products/email-security-for-office-365/reviews?filters%5Bsentiment_snippet%5D=1843680&qs=pros-and-cons#reviews) See Related User Reviews SB Sonny B. Small-Business (50 or fewer emp.) 5.0/5 "Email Security for Office 365" What do you like about Email Security For Office 365? It's very comprehensive and the cost is cheaper if you have a business premium. ##### 3. Ease of Use Users value the **ease of use** of Email Security For Office 365, simplifying phishing email identification and enhancing safety. [ See 1 mentions ](https://www.g2.com/products/email-security-for-office-365/reviews?filters%5Bsentiment_snippet%5D=2337073&qs=pros-and-cons#reviews) See Related User Reviews ![Neil C.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Neil C.") NC Neil C. Enterprise (\> 1000 emp.) 5.0/5 "Email links are identified and feels safer" What do you like about Email Security For Office 365? It classifies internal and external emails and notifies the user to be careful before clicking any links in the emails. It is easy to understand and t ##### 4. Phishing Protection Users value the **phishing protection** which educates them on identifying risks in emails and enhances their security awareness. [ See 1 mentions ](https://www.g2.com/products/email-security-for-office-365/reviews?filters%5Bsentiment_snippet%5D=2337096&qs=pros-and-cons#reviews) See Related User Reviews ![Neil C.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Neil C.") NC Neil C. Enterprise (\> 1000 emp.) 5.0/5 "Email links are identified and feels safer" What do you like about Email Security For Office 365? It classifies internal and external emails and notifies the user to be careful before clicking any links in the emails. It is easy to understand and t ### Top Cons or Disadvantages of Email Security For Office 365 ##### 1. Difficult Training Users find the **difficult training** necessary for Email Security For Office 365 to be a hurdle in usage. [ See 1 mentions ](https://www.g2.com/products/email-security-for-office-365/reviews?filters%5Bsentiment_snippet%5D=1843887&qs=pros-and-cons#reviews) See Related User Reviews SB Sonny B. Small-Business (50 or fewer emp.) 5.0/5 "Email Security for Office 365" What do you dislike about Email Security For Office 365? It can take a bit of training before you can manage it. ##### 2. Email Issues Users report **email classification issues** , with some emails incorrectly flagged or missed entirely by the security system. [ See 1 mentions ](https://www.g2.com/products/email-security-for-office-365/reviews?filters%5Bsentiment_snippet%5D=2337066&qs=pros-and-cons#reviews) See Related User Reviews ![Neil C.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Neil C.") NC Neil C. Enterprise (\> 1000 emp.) 5.0/5 "Email links are identified and feels safer" What do you dislike about Email Security For Office 365? Sometimes it classifies the emails wrongly. Moreover, some emails pass through the security without being flagged. ##### 3. Poor Detection Users experience **poor detection** as some emails are misclassified or bypass security checks entirely. [ See 1 mentions ](https://www.g2.com/products/email-security-for-office-365/reviews?filters%5Bsentiment_snippet%5D=2337091&qs=pros-and-cons#reviews) See Related User Reviews ![Neil C.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Neil C.") NC Neil C. Enterprise (\> 1000 emp.) 5.0/5 "Email links are identified and feels safer" What do you dislike about Email Security For Office 365? Sometimes it classifies the emails wrongly. Moreover, some emails pass through the security without being flagged. ## Top-Rated Alternatives [ ![Virtru Email Encryption](https://images.g2crowd.com/uploads/product/hd_favicon/9566ba6338388ab7e15b634d2d6fc7ba/virtru-email-encryption.svg "Virtru Email Encryption") Virtru Email Encryption 4.4/5(417) ](https://www.g2.com/products/virtru-email-encryption/reviews) [ ![Mimecast Advanced Email Security](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_bc9c82db6b8fbc86566d8d997b2c9413/mimecast-advanced-email-security.jpg "Mimecast Advanced Email Security") Mimecast Advanced Email Security 4.4/5(348) ](https://www.g2.com/products/mimecast-advanced-email-security/reviews) [ ![Proofpoint Core Email Protection](https://images.g2crowd.com/uploads/product/hd_favicon/8adf2eedd5616a9f5e200c4520f6d30d/proofpoint-core-email-protection.svg "Proofpoint Core Email Protection") Proofpoint Core Email Protection 4.6/5(601) ](https://www.g2.com/products/proofpoint-core-email-protection/reviews) [ View All Alternatives ](https://www.g2.com/products/email-security-for-office-365/competitors/alternatives) ![Neil C.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Neil C.") NC Neil C. Technical Support Engineer and Cybersecurity Ambassador for a manufacturing location. Machinery Enterprise (\> 1000 emp.) 10/7/2025 "Email links are identified and feels safer" 5/5 What do you like best about Email Security For Office 365? It classifies internal and external emails and notifies the user to be careful before clicking any links in the emails. It is easy to understand and trains you how to identify phishing emails. Review collected by and hosted on G2.com. What do you dislike about Email Security For Office 365? Sometimes it classifies the emails wrongly. Moreover, some emails pass through the security without being flagged. Review collected by and hosted on G2.com. What problems is Email Security For Office 365 solving and how is that benefiting you? Identify cybersecurity risks to the organization coming through emails and links. Review collected by and hosted on G2.com. Show More Our network of Icons are G2 members who are recognized for their outstanding contributions and commitment to helping others through their expertise.G2 Icon 6/23/2026 Validated ReviewerIncentivizedSource: G2 invite SB Sonny B. CyberSecurity Engineer Small-Business (50 or fewer emp.) 10/15/2024 "Email Security for Office 365" 5/5 What do you like best about Email Security For Office 365? It's very comprehensive and the cost is cheaper if you have a business premium. Review collected by and hosted on G2.com. What do you dislike about Email Security For Office 365? It can take a bit of training before you can manage it. Review collected by and hosted on G2.com. What problems is Email Security For Office 365 solving and how is that benefiting you? Unauthroized access and modification. Review collected by and hosted on G2.com. Show More Current UserValidated ReviewerIncentivizedSource: G2 invite ![Verified User in Information Technology and Services](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Information Technology and Services") AI Verified User in Information Technology and Services Mid-Market (51-1000 emp.) 5/7/2024 "Useful and Affordable for clients" 4.5/5 What do you like best about Email Security For Office 365? I have dealt with many clients that have migrated from 3rd Party vendors to Office 365 mail security and what i like about this move is that your scoring is intergrated with your email and overall defender in 365 aswell. Running your entire business off the Office 365 including mail security is definitely the way to go. No required intergrations or seperate platforms to monitor. It is a very powerful platform and secure. Review collected by and hosted on G2.com. What do you dislike about Email Security For Office 365? The Phishing and threats can flag some false emails but better to be safe than sorry. Review collected by and hosted on G2.com. What problems is Email Security For Office 365 solving and how is that benefiting you? Spam, Phishing, scams and malware Threats. Everything is available on one platform which makes it easy to monitor and work with. Review collected by and hosted on G2.com. Show More Validated ReviewerIncentivizedSource: G2 invite ![Lori S.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Lori S.") LS Lori S. Teacher Enterprise (\> 1000 emp.) 10/27/2022 "Office 365 Security" 5/5 What do you like best about Email Security For Office 365? Office 365 has 2-factor authorization /authentication for my cyber safety so that no one can gain access to my account and/or my password. Office 365 security is just as safe as its competitors. Review collected by and hosted on G2.com. What do you dislike about Email Security For Office 365? Sometimes it's frustrating when you don't have your phone or computer to authenticate with 2-factor authorization. When using Office 365 have your backup device available so you can easily authorize access. Review collected by and hosted on G2.com. What problems is Email Security For Office 365 solving and how is that benefiting you? There are not issues I am trying to solve. The benefit is that no one can access my account. No more or less productive. My business performance has not increased or decreased. Review collected by and hosted on G2.com. Show More Current UserValidated ReviewerIncentivizedSource: G2 invite MA Monica A. Account Management Small-Business (50 or fewer emp.) 10/25/2022 "Security Is A Must!" 5/5 What do you like best about Email Security For Office 365? I don't have to work to use Email Security for Office 365. Once it's implemented, it works! And these days, fraud and phishing are more active than ever. We had several things that were caught early and eradicated before we knew. Review collected by and hosted on G2.com. What do you dislike about Email Security For Office 365? Sometimes I get frustrated with the notices that notify me that the system has caught something. But then I remembered that it was working. Review collected by and hosted on G2.com. What problems is Email Security For Office 365 solving and how is that benefiting you? Phishing. This makes me feel that nothing nefarious is getting through to my employees. Review collected by and hosted on G2.com. Show More Current UserValidated ReviewerIncentivizedSource: G2 invite ![Vincent T.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Vincent T.") VT Vincent T. Engineer Mid-Market (51-1000 emp.) 10/31/2022 "Great Security For Office 365" 4/5 What do you like best about Email Security For Office 365? The ability to feel secure the more contacts and emails I send. The desktop app shows when there are more security updates and I am able to set it where the new security is automatically installed. Review collected by and hosted on G2.com. What do you dislike about Email Security For Office 365? I don't particularly appreciate that some under-the-hood bug fixes are not mentioned in the update list. The new features are shown when there is a new update, but the critical security updates should also be listed. Review collected by and hosted on G2.com. What problems is Email Security For Office 365 solving and how is that benefiting you? The Email security for office 365 is solving the encryption problem. The email platform is more secure and private than other email platforms. This makes sending and receiving emails a lot more confident than their counterparts. Review collected by and hosted on G2.com. Show More Validated ReviewerIncentivizedSource: G2 invite ![Jonice D.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Jonice D.") JD Jonice D. Elementary School Teacher Enterprise (\> 1000 emp.) 10/27/2022 "Office 365 email security is secure and dependable." 2.5/5 What do you like best about Email Security For Office 365? I love the encryption features and the way I can send important documents that I need to keep safe, secure, and private. Review collected by and hosted on G2.com. What do you dislike about Email Security For Office 365? I do not like the fact it is layered with a validation site I have to sign into to use daily. Review collected by and hosted on G2.com. What problems is Email Security For Office 365 solving and how is that benefiting you? I do not have to encrypt all messages. This saves me time and for some users makes it easier for them to read my messages. Review collected by and hosted on G2.com. Show More Current UserValidated ReviewerIncentivizedSource: G2 invite ![Aaron N.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Aaron N.") AN Aaron N. Capabilities Analyst Mid-Market (51-1000 emp.) 11/25/2022 "Secure email encryption- ConstantEdge" 4.5/5 What do you like best about Email Security For Office 365? The software provides end to end encryption for emails. All data is treated to be highly important and is protected against multiple threats like malware attacks. Review collected by and hosted on G2.com. What do you dislike about Email Security For Office 365? There is a feature for removing internal email threats in the inbox. However this feature is only accessible for emails upto 90 days in inbox. This upper limit could be extended Review collected by and hosted on G2.com. What problems is Email Security For Office 365 solving and how is that benefiting you? ConstantEdge's software provides easy and fast email encryption. It even stores emails sent and received to maintain a record of the same. This has helped secure corporate emails regarding sensitive porjects. Review collected by and hosted on G2.com. Show More Validated ReviewerIncentivizedSource: G2 invite SS Shawn S. Senior Network Administrator Mid-Market (51-1000 emp.) 10/25/2022 "Office365 has a nice GUI to look at email logs and secure email traffic." 3.5/5 What do you like best about Email Security For Office 365? The easy to use GUI is very user friendly and has several intergrated search tools. It reminds me a little of the legacy portal but with more enhanded features. Review collected by and hosted on G2.com. What do you dislike about Email Security For Office 365? I dislike the multiple windows and screens you have to view to see all of your traffic and logs. I really wish there was only one screen to view things, that would be nice. Review collected by and hosted on G2.com. What problems is Email Security For Office 365 solving and how is that benefiting you? The main thing it helps with is finding malicious senders who are trying to send phishing emails that try to trap employees. Without having a tool like this, our employees would get caught with SPAM. Review collected by and hosted on G2.com. Show More Validated ReviewerIncentivizedSource: G2 invite ![Genna R.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Genna R.") GR Genna R. Development Assistant Small-Business (50 or fewer emp.) 10/25/2022 "A Game Changer" 4.5/5 What do you like best about Email Security For Office 365? Very user-friendly for the whole office. Easy to set up and something we use often. We had had an increase in phishing emails, and since setting this up, we haven't seen any. Review collected by and hosted on G2.com. What do you dislike about Email Security For Office 365? There were not too many things I disliked about this software. Super easy to use and understand for people of all tech skill levels. Would recommend it to anyone who needs it. Review collected by and hosted on G2.com. What problems is Email Security For Office 365 solving and how is that benefiting you? At the beginning of the year, we had an increase in phishing emails, and since setting this up, we haven't seen any. It's been so nice not to have to worry about it. Review collected by and hosted on G2.com. 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