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 IDNameTypeOwner tenant
5e3ce6c0-2b1f-4285-8d4b-75ee78787346 Microsoft Teams Web ClientFirst-partyMicrosoft 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.