MC711020 — Outlook: Outlook for web – new application ID

Outlook for web will migrate to a new appID. The existing Microsoft-owned appID used by OWA is changing in preparation for OWA’s authentication platform migration to a SPA auth model using MSAL. When this will happen: Standard Release: We will begin rolling out the first half of Calendar year 2024 and expect to complete by the 4th quarter of calendar year 2024. How this will affect your organization: What are the appIDs involved? OWA existing appID: 00000002-0000-0ff1-ce00-000000000000 OWA new a...