Office 365 SharePoint Online
Microsoft · 00000003-0000-0ff1-ce00-000000000000
- Application ID
00000003-0000-0ff1-ce00-000000000000- Application
- Office 365 SharePoint Online
- Vendor
- Microsoft
- Publisher
- Microsoft first-party
- Uses EWS
- Yes, per a public source
- EWS status
- Not known yet
What to do
SharePoint Online's service identity, seen calling EWS, likely for calendar or profile status. No admin action is documented.
Sources
- merill/microsoft-info, MicrosoftApps.csv (MIT), origin Graph, read 2026-10-14
- How to Find Active EWS-Based Apps in a Microsoft 365 Tenant (Office 365 for IT Pros) (2025-04-29), read 2026-10-14
Last updated 2026-10-14.