# ESET Cloud Office Security vs OpenText Email Security: side-by-side comparison (2026)

[ESET Cloud Office Security](https://cybersectools.com/tools/eset-cloud-office-security) is a commercial [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution by [ESET](https://cybersectools.com/companies/eset). [OpenText Email Security](https://cybersectools.com/tools/opentext-email-security) is a commercial [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution by [OpenText Cybersecurity](https://cybersectools.com/companies/opentext-cybersecurity). Features, integrations, deployment and the company behind each one, side by side.

Need the answer fast? [Best Email Security Solutions for Business](https://cybersectools.com/shortlists/best-email-security-platforms) picks Proofpoint Core Email Protection, Microsoft Defender for Office 365, Mimecast Advanced Email Security and 4 more.

## Side-by-side comparison

| | ESET Cloud Office Security | OpenText Email Security |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Email Security Platforms | Email Security Platforms |
| Verified | No | No |
| Deployment type | Cloud | Cloud |
| Company size fit | SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| Company | ESET | OpenText Cybersecurity |
| Headquarters | – | – |

### Use cases and capabilities

| | ESET Cloud Office Security | OpenText Email Security |
|---|---|---|
| Cloud Native | Yes | – |
| Microsoft 365 | Yes | – |
| Ransomware Prevention | Yes | – |
| Sandbox | Yes | – |
| Spam Prevention | Yes | – |
| Ransomware | – | Yes |

### Core features

**ESET Cloud Office Security**

10 features listed. Sign in on the page to see them.

**OpenText Email Security**

10 features listed. Sign in on the page to see them.

### Integrations

**ESET Cloud Office Security**

10 integrations listed. Sign in on the page to see them.

**OpenText Email Security**

No integrations listed.

## ESET Cloud Office Security vs OpenText Email Security FAQ

Common questions when comparing ESET Cloud Office Security vs OpenText Email Security for email security platforms.

### What is the difference between ESET Cloud Office Security and OpenText Email Security?

**ESET Cloud Office Security**: Cloud email security for Microsoft 365 and Google Workspace applications, built by ESET.

**OpenText Email Security**: Comprehensive email security platform protecting inbound/outbound communications, built by OpenText Cybersecurity.

The table above shows where their features, integrations, deployment and company size fit differ.

### Who makes ESET Cloud Office Security and OpenText Email Security?

**ESET Cloud Office Security** is made by ESET. **OpenText Email Security** 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 ESET Cloud Office Security a good alternative to OpenText Email Security?

Often, yes. ESET Cloud Office Security and OpenText Email Security are both Email Security Platforms products. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [ESET Cloud Office Security vs Iberlayer Email Guardian](https://cybersectools.com/compare/eset-cloud-office-security-vs-iberlayer-email-guardian)
- [ESET Cloud Office Security vs Cybersentriq MX Email Threat Protection](https://cybersectools.com/compare/cybersentriq-mx-email-threat-protection-vs-eset-cloud-office-security)
- [ESET Cloud Office Security vs ID Agent Graphus](https://cybersectools.com/compare/eset-cloud-office-security-vs-id-agent-graphus)
- [OpenText Email Security vs Iberlayer Email Guardian](https://cybersectools.com/compare/iberlayer-email-guardian-vs-opentext-email-security)
- [OpenText Email Security vs Cybersentriq MX Email Threat Protection](https://cybersectools.com/compare/cybersentriq-mx-email-threat-protection-vs-opentext-email-security)
- [OpenText Email Security vs ID Agent Graphus](https://cybersectools.com/compare/id-agent-graphus-vs-opentext-email-security)

## Alternatives to each

- [See all ESET Cloud Office Security alternatives](https://cybersectools.com/alternatives/eset-cloud-office-security)
- [See all OpenText Email Security alternatives](https://cybersectools.com/alternatives/opentext-email-security)

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Source: https://cybersectools.com/compare/eset-cloud-office-security-vs-opentext-email-security

For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/eset-cloud-office-security.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on ESET Cloud Office Security and OpenText Email Security: 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