Microsoft App ID Lookup
Identify Microsoft first-party applications and other well-known GUIDs from sign-in logs, consent prompts and audit reports
Results: 1
| Application ID | Name | Type | Owner tenant |
|---|---|---|---|
| 00000003-0000-0000-c000-000000000000 | Microsoft Graph | First-party | Microsoft Services |
Data: 4,438 entries from the open merill/microsoft-info project (MIT License), updated 2026-10-19.
Why look up application IDs
Sign-in logs, conditional access reports and consent prompts show application IDs instead of names. The catalog tells apart Microsoft first-party services, directory roles, Graph permission scopes and license SKUs, so you can see whether a GUID is expected.