Office 365 Backup Tool Frequently Asked Questions

No. Prism Office 365 Backup Tool operates completely standalone. It connects directly via Microsoft Graph API and modern authentication, eliminating any requirement for Microsoft Outlook, MAPI subsystems, or local Office installations.

Yes. When authenticating with appropriate administrative or delegated permissions, Prism automatically discovers Primary Mailboxes, Shared Mailboxes, and secondary In-Place Archive folders.

Prism features an adaptive rate limiter with exponential backoff and jitter. When Microsoft Graph sends a rate limit signal, Prism reads the Retry-After header and pauses transmission gracefully before resuming without dropping connections.

Prism maintains an internal SQLite transaction journal. When connectivity is restored, click Resume in the Resume Center. The engine skips all previously downloaded emails and resumes from the exact last successful item.

Prism runs on your local computer. All emails and credentials stream directly through an encrypted SSL/TLS tunnel between Microsoft Azure data centers and your local computer storage.

Yes. Prism generates spec-compliant ISO 19005 PDF documents with original email attachments physically embedded inside the PDF file as clickable binary attachments.

Yes. You can download the free evaluation version of Office 365 Backup Tool to inspect your data hierarchy and convert up to 50 items per folder to verify formatting and metadata fidelity before buying.

Following successful payment, your digital license key is delivered to your billing email address. If you need your key resent or require assistance with activation, you can contact our team anytime via our Contact Support page.

We provide free evaluation versions for all tools so you can test compatibility and conversion fidelity on your own data before buying. If you encounter a verified technical limitation or defect that our engineering support team cannot resolve, purchases are covered under the terms detailed on our Refund Policy page.