Epic Fusion Backup Service for M365

Written by Samuel Mannhart | 22.04.2026

The Blind Spot in the Cloud.

Microsoft 365 is the digital backbone of modern businesses. Exchange Online for email and calendars, SharePoint for document management, Teams for collaboration – the platform is powerful, reliable, and ubiquitous. But there is a dangerous fallacy lurking here: In the cloud = securely protected.

The reality is more nuanced. Microsoft is responsible for the availability and integrity of the platform itself, but not for your data. The so-called Shared Responsibility Model is clearly defined: Microsoft secures the infrastructure, and you are responsible for protecting your content.

Native Recycle Bins and Retention are not Backups.

While Microsoft 365 offers retention features and recycle bins, these are not a substitute for a true backup. They do not protect against the most common data loss scenarios:

Accidental or malicious deletion: The most frequent cause of data loss.
Ransomware and security breaches: Cybercriminals encrypt or delete data directly within M365.
Faulty synchronizations: OneDrive sync errors or faulty migrations can overwrite hundreds of documents.
Compliance requirements: GDPR, revDSG, FINMA, and other regulations require verifiable, independent backups for audit trails and data protection.

Caution: Native retention in M365 is tied to the tenant. If a security incident compromises the entire tenant, the retentions are also at risk. An independent, external backup service is the only true line of defense.

What the Epic Backup Service covers.

The Epic Backup Service backs up your entire Microsoft 365 tenant three times a day and offers unlimited retention as the standard backup policy. This means that all your data can be restored at any time.

Security through Separation.

A fundamental principle of backup security: The backup must not be stored where the original is located. The Epic Fusion Backup Service consistently adheres to this principle.

User-friendly Recovery.

A backup is only as good as its restore. The Epic Fusion Backup Service offers two complementary recovery methods for maximum flexibility and minimal downtime.

For more complex recovery scenarios, such as site-wide restores or tenant-level operations, requests are submitted in a structured manner via the Epic Fusion Helpdesk. IT administrators benefit from proactive notifications of backup issues and SLA-backed support for critical restores. License management is conveniently handled through the Marketplace and is complemented by regular backup health reports.

Best Practices for optimal Protection.

A backup is only as good as its restore. The Epic Fusion Backup Service offers two complementary recovery methods for maximum flexibility and minimal downtime.

Next Steps: Truly secure your Microsoft 365 Data.

Microsoft 365 is powerful, but not self-healing. The Epic Fusion Backup Service offers complete protection for all M365 workloads, including Exchange, SharePoint, Teams, Public Folders, Groups, Project Online, and Viva Engage, with triple daily backups. Data is stored in independent cloud storage on AWS Standard or, optionally, on your own storage, meeting even the strictest compliance and jurisdiction requirements. Self-service recovery via the Teams agent and the Recovery Portal allows end users to restore data independently, reducing recovery time from hours to minutes. The service is complemented by SLA-backed helpdesk support for critical restores, proactive notifications, and regular compliance reports.

Prepare your second Line of Defense.

Building a structured Microsoft 365 backup strategy does not have to happen all at once. A phased approach has proven effective in practice.

Step assessment workshop: Analyze your tenant, identify critical workloads, and clarify requirements related to compliance, RPO/RTO, and data retention.
Step pilot rollout: Start with a single department or workload at your own pace, without risk or obligation.
Step go-live and enablement: Targeted onboarding for IT managers and clear user guidance for self-service via Teams agent and the Recovery Portal..

Do you know how well your M365 data is truly protected? Contact us for a free audit or to develop a backup strategy.

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