BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//SHEV Software//EWS Retirement//EN
BEGIN:VEVENT
UID:ews-retirement-2026-10-01@www.shevsoftware.com
DTSTAMP:20260907T092657Z
DTSTART;VALUE=DATE:20261001
DTEND;VALUE=DATE:20261002
SUMMARY:Phased disablement begins
DESCRIPTION:Exchange Online begins rolling out updated EWS behavior tenant 
 by tenant. The effect depends on EwsEnabled and whether an App ID allow li
 st exists\; 1 October is the programme start\, not a known switch date for
  every tenant. This date is not a per-tenant schedule.
URL:https://techcommunity.microsoft.com/blog/exchange/take-control-of-your-
 ewsallowedappids-list-before-ews-access-changes/4553534
END:VEVENT
BEGIN:VEVENT
UID:ews-retirement-2027-04-01@www.shevsoftware.com
DTSTAMP:20260907T092657Z
DTSTART;VALUE=DATE:20270401
DTEND;VALUE=DATE:20270402
SUMMARY:EWS fully disabled
DESCRIPTION:EWS in Exchange Online is disabled completely. Microsoft states
  no exceptions after this date\, and EwsEnabled stops being a workaround. 
 This date is not a per-tenant schedule.
URL:https://learn.microsoft.com/en-us/exchange/clients-and-mobile-in-exchan
 ge-online/deprecation-of-ews-exchange-online
END:VEVENT
END:VCALENDAR