The writing has been on the wall for EWS in Exchange Online for ages, and Apple’s promised Graph support still hasn’t shipped; M365 can temporarily keep EWS enabled until April 2027, but right now some tenants may effectively kick out Apple Mail/Calendar, which is just stupid because it is definitely not Microsoft’s fault that EWS is being phased out in favor of a better, much more flexible approach. I have zero idea about why it’s taking Apple this long to get their act together, since EWS has been feature-frozen since 2018 and Graph has been meat and potatoes stuff for...