Best Email Encryption Software for Microsoft Outlook

Find and compare the best Email Encryption software for Microsoft Outlook in 2025

Use the comparison tool below to compare the top Email Encryption software for Microsoft Outlook on the market. You can filter results by user reviews, pricing, features, platform, region, support options, integrations, and more.

  • 1
    NeoCertified Secure Email Reviews
    Top Pick
    NeoCertified secures sensitive information via our secure email app across our versatile Cloud-based platform. It works on any web browser through Microsoft Office 365/Outlook plug ins and Gmail integration. You can also download the iPhone + Android mobile apps directly to your mobile devices. Since 2002, we have been providing federally compliant, secure mail solutions. We have helped businesses send and get secure emails from any web browser or mobile device. NeoCertified works with all email providers, giving businesses the flexibility and guaranteed protection they need.
  • 2
    Mailfence Reviews
    Top Pick

    Mailfence

    Mailfence

    $2.50/month/user
    21 Ratings
    Mailfence is an encrypted email provider that uses OpenPGP-based encryption and digital signatures. Mailfence offers a variety of features that allow for collaboration without compromising security or convenience. Mailfence documents allows you to securely store and edit documents. You can also share documents with your team by pressing a button. Mailfence calendar will help you keep track of all your tasks, meetings, events, and other important information. Mailfence contacts will save your contacts and allow you to create mailing lists to maximize efficiency. Mailfence was designed to be fully interoperable. This means that you can sync Mailfence with any service. Mailfence offers fully customizable whitelabel versions for its Mailfence interface. Mailfence donates 15% from PRO subscriptions to IFF or EDRI to support the fight for Online privacy.
  • 3
    Proton Mail Reviews
    Top Pick

    Proton Mail

    Proton AG

    $6.25 per user per month
    8 Ratings
    Proton Mail was founded in Switzerland, and all of our servers are located there. All user data is protected under strict Swiss privacy laws. All emails are encrypted automatically using end-to-end encryption. This means that even we cannot read or decrypt your emails. Your encrypted emails cannot therefore be shared with any third parties. To create your secure email account, you don't need to provide any personal information. We do not store IP logs that can be linked to your anonymous account. Your privacy is paramount. Email privacy should be accessible to everyone, according to us. Our code is open-source and basic Proton Mail accounts come free. Support the project by donating to it or upgrading to a paid account. Proton Mail is compatible with all devices without the need for software installation. Proton Mail Business allows you to keep your business email address. You can send and receive encrypted email both within and outside your organization.
  • 4
    Spike Reviews
    Spike integrates all your workspace into one Inbox. This includes email, chat and calendar, calls, team collaboration, tasks, calls, and even calls. You can now do your work in one feed so you don't have to switch between apps. Spike's conversational email merges traditional email with instant messaging, eliminating cluttered email threads. Live collaboration and real-time communication allow for better interactions and a more human communication environment. Spike is available for iOS, Android, Mac and Windows.
  • 5
    Delivery Trust Reviews

    Delivery Trust

    Identillect Technologies

    $5.95 per month
    2 Ratings
    Senders retain full authority by limiting the recipients' abilities to print, share, or download content, with the option to retract access at any moment. Identillect adapts to changes in regulations, conducting ongoing research so that you can stay focused on your core tasks. The system is user-friendly for both senders and recipients, requiring no registration or subscription from those receiving messages. Utilize Identillect’s innovative vCard technology to enhance your secure communications seamlessly through Outlook. You can set your preferred security level and enforce company-wide policies that restrict recipient permissions across the network. This add-in provides access to all features of Delivery Trust® – Web Only, making it easy to secure your messages and responses while on the move. Thanks to its intuitive design, there is no steep learning curve and implementation can be done smoothly throughout the organization. The add-in also grants full access to all features of DELIVERY TRUST® – Web Only, ensuring comprehensive protection for your communications.
  • 6
    Send It Secure Reviews

    Send It Secure

    Protected Trust

    $15 per month
    Send and receive encrypted emails that comply with HIPAA and GLBA requirements. Protected Trust Email Encryption has been rebranded as Send It Secure by Protected Trust. You might remember us as either Protected Trust Email Encryption or simply Protected Trust. With the expansion of our email encryption capabilities and an increase in our service offerings, we felt it was the perfect moment to introduce a new identity for our email encryption product. This rebranding aligns with our commitment to providing a trusted product in the market, and we are thrilled to enhance your experience with improvements tailored to your needs. Acknowledged as a leading solution for the secure transfer of sensitive information, we prioritize your trust and the safeguarding of your data. We're eager to share our refreshed email encryption solution, Send It Secure by Protected Trust, and look forward to supporting your secure communication needs more effectively than ever before.
  • 7
    Encyro Reviews

    Encyro

    Encryo Inc

    $9.99/month/user
    Encyro offers secure file storage, encrypted email and electronic signatures. Encyro's award-winning design makes it easy for you and your clients. Clients don't have to sign up for portal accounts. File sharing and encrypted messaging Encyro allows you to send directly to any email address. Encyro protects your data both during transmission as well as storage to ensure that you are in compliance with HIPAA and other compliance standards such as the GDPR, FINRA and SOX. Securely receive via your custom-branded upload page. Clients do not need to log in or go through additional steps. Electronic Signatures Encyro esignatures are designed for remote signing to protect your transaction. You can control the login options as well as the type of signature to ensure that only the right person is signing. Encyro offers custom branding, automated reminders, re-usable templates for e-sign, and re-usable Encyro e-sign templates. Access codes that comply with NIST-8006363 can be sent by SMS or text for additional security.
  • 8
    PBHS SecureMail Reviews

    PBHS SecureMail

    PBHS

    $10 per month per account
    Ensure data privacy compliance effortlessly with PBHS Secure Mail, a robust HIPAA-compliant encrypted messaging platform designed for healthcare professionals such as doctors, dentists, and hospitals. Enjoy the convenience of not having to install, configure, or maintain any software, as PBHS Secure Mail is accessible from any device and location. Sharing important documents, radiographs, CT scans, and messages is straightforward, with everything organized for easy access by all team members involved in a case. Getting started is hassle-free; simply log in using your ADA Membership ID. Additionally, our optional Outlook Plug-in allows seamless sending and receiving of messages directly through Microsoft Outlook on your computer, ensuring that treatment letters and private communications from your practice management software are encrypted. Moreover, radiographs sent from your digital x-ray systems to Outlook are also protected. You can continue your usual email practices with colleagues and patients without compromising HIPAA compliance, allowing for a smooth transition to secure communications. This way, you can focus on providing quality care while maintaining the highest standards of data security.
  • 9
    LuxSci Reviews

    LuxSci

    Lux Scientiae

    $4 per/user/month
    LuxSci's mission is to keep personal data safe while reliably protecting the world’s communications. LuxSci specializes in providing HIPAA-compliant web and email communications services. LuxSci creates uniquely secure and customizable enterprise-grade environments and solutions that enable organizations to confidently meet their specific business and security needs at scale. Our services include Secure Email, Web, and Forms.
  • 10
    MailHippo Reviews

    MailHippo

    MailHippo

    $4.95 per month
    Sending and receiving HIPAA-compliant emails has never been so simple and cost-effective. With MailHippo, you can securely transmit sensitive information and attachments without any complicated setup or configurations; just register and start using it immediately. The platform employs end-to-end encryption to ensure that your emails and attachments remain protected, both while being sent and stored. Additionally, MailHippo seamlessly integrates with your existing email address and works with any email service provider. It is optimized for use on smartphones and tablets, making it highly convenient. You also receive a special link that allows you to collect secure emails from anyone easily. Take advantage of our limited-time Beta program to access our secure encrypted email messaging service for FREE and experience the peace of mind that comes with HIPAA compliance!
  • 11
    Document GPS Reviews

    Document GPS

    ShelterZoom

    $5 per month
    Introducing a unique solution for tokenizing your digital files directly from your email, providing a seamless way to safeguard documents, videos, audio files, and more with just one click. Enjoy simplified ownership and control over your digital content like never before, all while maintaining your existing email attachment workflow with end-to-end encryption. With the ability to manage who can download, share, and view your attachments, you can ensure that your files remain secure. Real-time tracking allows you to see who has accessed your files, whether they downloaded, shared, or viewed them. This innovative platform streamlines the management and oversight of your email attachments in a single library, making it easier than ever to keep track of important documents. Clients can receive a secure link for safe file exchanges, enhancing the security of your communications. Additionally, you can block your device screen to guard against unauthorized screenshots and copying of sensitive information. Experience unlimited electronic signatures directly within your email, delivering unmatched convenience and protection. This robust system effectively mitigates risks associated with data breaches, ransomware, and wire fraud, ensuring comprehensive security from desktop to mobile and beyond. Always retain control over your files, knowing who originated them and their intellectual property rights, while enjoying peace of mind in your digital transactions.
  • 12
    Mailock Reviews

    Mailock

    Beyond Encryption

    $9.30 per user per month
    Mailock secure email provides businesses with the ability to share sensitive information with clients while safeguarding their data against potential breaches. By integrating industry-leading encryption technology and multi-factor identity verification, it ensures that confidential emails are shielded from cyber threats and that customer data remains secure. Users can easily craft a secure email from their desktop or browser, employing specific rules and keywords to trigger encryption. Additionally, they can establish authentication hurdles to confirm the identities of their recipients, ensuring that only authorized individuals can access the information. Comprehensive audit trails are maintained for each message, allowing users to monitor recipient engagement through instant read receipts. Recipients also have the option to encrypt their responses at no cost. This service not only facilitates secure communication but also empowers clients to interact safely with your business. Furthermore, it enables the efficient delivery of confidential documents to customers in large quantities through automated secure email processes. Ultimately, Mailock enhances the integrity and confidentiality of business communications, fostering trust and security in client interactions.
  • 13
    Hushmail Reviews

    Hushmail

    Hushmail

    $9.99/month/user
    Hushmail adds encryption to your email, web forms, and e-signatures to protect your clients. It is secure, HIPAA compliant, and trusted worldwide by healthcare professionals. Hushmail is simple to set up and use. You can send your first encrypted email today and create a secure online intake form within minutes. Hushmail works exactly like regular email accounts, but has additional security features to protect your data. You can send and receive encrypted emails via the web and iPhone. You can access your account via Outlook, Apple Mail, or your Android smartphone. You can easily move your forms online in a matter of minutes. Hush™ Secure Forms is a secure alternative to traditional paper forms and includes instant online signing for your most important digital forms. It's easier than ever to switch from pen and paper to e-signatures.
  • 14
    RMail Reviews

    RMail

    RPost

    $7/month/user
    RMail®, the e-security platform from RPost®, is a global leader in 2000. RMail is a specialist in elegantly simple email encryption for privacy, compliance, legal e–delivery proof secure file sharing, email rights management, email impostor protection and email encryption. RMail's transmission security services are often used by businesspeople and business systems that need to send sensitive or consumer-regulated information. These RMail services can be used for messages that require additional functionality beyond standard email. They include (a) an easier-to-use and more automated email encryption to ensure privacy compliance; (b) a verifiable proof record of who sent what email to whom; (c) assurance and peaceof mind in relation to delivery and open status email of important and time-deadline emails, (d) need to have a timestamped proof that content was delivered; (f) the need to securely share large files.
  • 15
    Echoworx Reviews
    As a cloud-based, full-managed SaaS email encryption provider, Echoworx alone offers 8 ways to send protected mail, with support for 9 authentication options and up-to 28 languages – ensuring secure communication anywhere, on any device. Key features: • Multiple ways to send secure mail ( Web Portal, S/MIME, PGP, Secure PDF, Certificate Encryption, Secure Attachment (PDF, Office, ZIP), TLS with fallback) • More authentication options (Full OAuth Access, Self-Registration, SMS, Shared Secret Passphrase, SSO, System-Generated Verification Codes, Passwordless, and Multi-Factor Authentication (MFA) • Free full proof of concept trial (POC) • 24/7 expert support • End-to-end deployment • Recall and tracking options for secure mail • Extensive branding • Self Service Account Management
  • 16
    Z1 SecureMail Gateway Reviews

    Z1 SecureMail Gateway

    Zertificon

    from $ 1.50 per user/per month
    25% of the top 100 German companies with the highest turnover choose Zertificon's solutions. We make Enterprise Email Encryption effortless for secure communications with anyone, anywhere, with our Z1 SecureMail Gateway solution. Your entire organization encrypts and decrypts, just as well manages and verifies email signatures smoothly in the background. Z1 SecureMail Gateway requires very little maintenance. Furthermore, the browser-based admin interface does not call for any special skills. Keys are managed automatically, and security policies are centrally enforced. Integration into your cloud or on-premises email infrastructure is quick and straightforward. Your business and workflows are uninterrupted – no employee training is required, and recipients get a frictionless experience. Encryption is centrally customizable and proofed against human error with Z1 SecureMail Gateway. You can quickly establish and maintain compliance and the highest levels of security. You also own your encryption keys and get German-engineered data sovereignty with no backdoors.
  • 17
    Cryptshare Reviews

    Cryptshare

    Cryptshare

    €5 per user per month
    Cryptshare is an innovation that protects your information when it is most at risk. Everybody needs to communicate data and messages in their daily work. We face many limitations once data is in transit. 1. Data protection 2. Limitations on file size These problems can be solved with our solution in an efficient and user-friendly manner. It also offers many other benefits, including: *Detailed audit trail *Compliance to central data protection regulations *Excellent potential to automate business communication It is also affordable, simple to implement, and accessible from any device with a web browser. Cryptshare is compliant with ISO 27001, GDPR. Cryptshare protects your information throughout the process.
  • 18
    Ziroh Mail Reviews
    Even if you avoid sending sensitive emails, doesn't it concern you that your email provider has access to your messages through a backdoor? They can grant access to third parties at any moment, as they are the ones who set the rules and exploit the loopholes. Have you ever considered what a single online purchase receipt can disclose about you? It can reveal your fashion preferences, your financial situation, your payment choices, your address, the type of device you use, and much more. This is quite unsettling, isn't it? Unfortunately, numerous companies and fraudsters are already exploiting this information. Every small piece of information about you is like gold to third parties, who will utilize it to better understand you, influence your purchasing decisions, and, in some cases, even impersonate you on the internet. If you believe your email service is completely secure, it might be wise to conduct a simple search; you'll find that major email providers have faced breaches. Do you still feel reassured? A straightforward, unobtrusive privacy solution exists that can safeguard your emails no matter where they are sent or received, ensuring your peace of mind.
  • 19
    modusCloud Reviews
    ModusCloud by Vircom is a cloud-based email security product that provides real-time threat protection, phishing detection, advanced multilayer antivirus and email archiving. Users are protected against malicious and unwanted email. Administrators can easily customize service to meet users' requirements and policies. ModusCloud offers clients access to enterprise security technology and infrastructure used by some the most secure companies in the world. This is combined with our expert knowledge and understanding of smaller businesses' needs. We offer a hosted email security solution that includes email threat protection, email continuity with Emergency Inbox and policy-enforced encryption. All of this is easily managed via a user interface.
  • 20
    Aspida Mail Reviews
    Aspida Mail was designed to prioritize ease of use. We understand the necessity for you to maintain your regular business operations effortlessly. The installation process for Aspida Mail is straightforward and compatible with any device that supports IMAP. Furthermore, Aspida ensures that your communications are secure, as it is an encrypted email service compliant with HIPAA regulations. With this in mind, you can focus on your work while enjoying peace of mind regarding your email security.
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