Revisionssichere Archivierung Office 365 May 2026

Your Office 365 admin should not be your archive admin. A third-party solution stores a separate, immutable copy of every email and file outside the direct control of the Microsoft 365 environment. This prevents an internal admin from covering tracks.

Third-party archives create tamper-proof audit logs of every search, export, and deletion request. Many also include digital signatures (hash values) per document to prove integrity over decades. Recommended Third-Party Solutions for German Compliance If you need GoBD, IDW PS 880, or GDPdU compliance, consider these established tools:

Many organizations assume that simply using Microsoft 365 (formerly Office 365) automatically makes them compliant. This is a dangerous misconception. revisionssichere archivierung office 365

Revision-Proof Archiving in Office 365: Separating Hype from Reality (and Legal Compliance)

Look for solutions that write data to AWS S3 Object Lock or Azure Blob Storage immutable vaults —not just a database flag. These are true WORM systems at the storage hardware level. Your Office 365 admin should not be your archive admin

Why native retention isn’t enough for GoBD, GDPR, and audit-proof long-term storage. Introduction For German-speaking enterprises especially, the term "revisionssichere Archivierung" (revision-proof archiving) carries significant legal weight. It goes beyond simple data backup or deletion policies. It demands that electronic documents—emails, Office files, Teams chats—be stored in a way that is manipulation-proof, complete, immediately accessible, and unalterable for the statutory retention period (e.g., 6–10 years under HGB, AO, GoBD).

Before your next tax audit or legal discovery request, ask your compliance officer: "If our global admin left today, could they delete last year’s contracts permanently?" If the answer is "maybe," you need a revision-proof archive. Disclaimer: This post provides general guidance. Always consult with a certified data protection officer (DPO) or legal counsel regarding specific GoBD, GDPR, or local regulatory requirements. Third-party archives create tamper-proof audit logs of every

For a true , you must deploy a certified third-party archiving solution that stores data in immutable, WORM-based storage, separates administrative roles, and generates legally defensible audit logs.