Microsoft Office
Microsoft · d3590ed6-52b3-4102-aeff-aad2292ab01c
- Application ID
d3590ed6-52b3-4102-aeff-aad2292ab01c- Application
- Microsoft Office
- Vendor
- Microsoft
- Publisher
- Microsoft first-party
- Uses EWS
- Yes, per a public source
- EWS status
- Migration announced
- Vendor notice
- https://lazyadmin.nl/office-365/ewsallowedappids-required-from-october-10-what-changed-and-what-to-do-now/
What to do
Microsoft says Outlook for Windows should work without EWS on build 16.0.20430.20092 (August 2026) or later. Keep this ID on the list for classic Outlook for Mac and Skype for Business hybrid, and test removal on a small group first.
Sources
- merill/microsoft-info, MicrosoftApps.csv (MIT), origin EntraDocs, read 2026-10-14
- Prepare for EWS retirement in Exchange Online - Skype for Business Hybrid (Microsoft Learn) (2026-07-16), read 2026-10-14
- https://lazyadmin.nl/office-365/ewsallowedappids-required-from-october-10-what-changed-and-what-to-do-now/, read 2026-10-14
Last updated 2026-10-14.