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.
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. revisionssichere archivierung office 365
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: For a true , you must deploy a
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). Always consult with a certified data protection officer
Many organizations assume that simply using Microsoft 365 (formerly Office 365) automatically makes them compliant. This is a dangerous misconception.
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.