# Beyond Encryption Mailock for M365 vs OpenText Core Email Encryption: side-by-side comparison (2026) [Beyond Encryption Mailock for M365](https://cybersectools.com/tools/beyond-encryption-mailock-for-m365) is a commercial [email encryption](https://cybersectools.com/categories/email-encryption) solution by [Beyond Encryption](https://cybersectools.com/companies/beyond-encryption). [OpenText Core Email Encryption](https://cybersectools.com/tools/opentext-core-email-encryption) is a commercial [email encryption](https://cybersectools.com/categories/email-encryption) solution by [OpenText Cybersecurity](https://cybersectools.com/companies/opentext-cybersecurity). Features, integrations, deployment and the company behind each one, side by side. ## Side-by-side comparison | | Beyond Encryption Mailock for M365 | OpenText Core Email Encryption | |---|---|---| | Pricing model | Commercial | Commercial | | Category | Email Encryption | Email Encryption | | Verified | No | No | | Deployment type | Cloud | Cloud | | Company size fit | SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise | | Company | Beyond Encryption | OpenText Cybersecurity | | Headquarters | – | – | ### Use cases and capabilities | | Beyond Encryption Mailock for M365 | OpenText Core Email Encryption | |---|---|---| | Encryption | Yes | – | | Microsoft 365 | Yes | – | | Outlook | Yes | – | | Microsoft | Yes | – | | TLS | – | Yes | ### Core features **Beyond Encryption Mailock for M365** 10 features listed. Sign in on the page to see them. **OpenText Core Email Encryption** 10 features listed. Sign in on the page to see them. ### Integrations **Beyond Encryption Mailock for M365** 5 integrations listed. Sign in on the page to see them. **OpenText Core Email Encryption** No integrations listed. ## Beyond Encryption Mailock for M365 vs OpenText Core Email Encryption FAQ Common questions when comparing Beyond Encryption Mailock for M365 vs OpenText Core Email Encryption for email encryption. ### What is the difference between Beyond Encryption Mailock for M365 and OpenText Core Email Encryption? **Beyond Encryption Mailock for M365**: AES-256 encrypted email add-on for M365 with auth & revocation. Built by Beyond Encryption. **OpenText Core Email Encryption**: Cloud-based email encryption with automated DLP policies and delivery methods. Built by OpenText Cybersecurity. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes Beyond Encryption Mailock for M365 and OpenText Core Email Encryption? **Beyond Encryption Mailock for M365** is made by Beyond Encryption. **OpenText Core Email Encryption** is made by OpenText Cybersecurity. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is Beyond Encryption Mailock for M365 a good alternative to OpenText Core Email Encryption? Often, yes. Beyond Encryption Mailock for M365 and OpenText Core Email Encryption are both Email Encryption products. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [Beyond Encryption Mailock for M365 vs Beyond Encryption Mailock for Outlook](https://cybersectools.com/compare/beyond-encryption-mailock-for-m365-vs-beyond-encryption-mailock-for-outlook) - [Beyond Encryption Mailock for M365 vs Beyond Encryption Mailock Enterprise](https://cybersectools.com/compare/beyond-encryption-mailock-enterprise-vs-beyond-encryption-mailock-for-m365) - [Beyond Encryption Mailock for M365 vs LuxSci](https://cybersectools.com/compare/beyond-encryption-mailock-for-m365-vs-luxsci) - [OpenText Core Email Encryption vs Beyond Encryption Mailock for Outlook](https://cybersectools.com/compare/beyond-encryption-mailock-for-outlook-vs-opentext-core-email-encryption) - [OpenText Core Email Encryption vs Beyond Encryption Mailock Enterprise](https://cybersectools.com/compare/beyond-encryption-mailock-enterprise-vs-opentext-core-email-encryption) - [OpenText Core Email Encryption vs LuxSci](https://cybersectools.com/compare/luxsci-vs-opentext-core-email-encryption) ## Alternatives to each - [See all Beyond Encryption Mailock for M365 alternatives](https://cybersectools.com/alternatives/beyond-encryption-mailock-for-m365) - [See all OpenText Core Email Encryption alternatives](https://cybersectools.com/alternatives/opentext-core-email-encryption) --- Source: https://cybersectools.com/compare/beyond-encryption-mailock-for-m365-vs-opentext-core-email-encryption For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/beyond-encryption-mailock-for-m365.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on Beyond Encryption Mailock for M365 and OpenText Core Email Encryption: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=compare-md