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Microsoft was not releasing feature updates for Exchange Web Services in Exchange Online and now says it will block EWS requests from non-Microsoft apps to Exchange Online starting Oct. 1, 2026.

Microsoft has decided to effectively delay the deprecation of Remote PowerShell in Exchange Online in order to allow customers more time to migrate to the more secure REST-based v3 PowerShell module.

Support for Microsoft Exchange Server 2013 is ending in less than two months. Microsoft is recommending upgrading to Exchange Server 2019 or migrating to the managed Exchanged Online.

Microsoft has issued what appears to be the final public warning about Basic Authentication in Exchange Online being deprecated next month. Customers have been advised to switch to Modern Auth.

With Basic Auth in Exchange Online slowly being killed off in favor of Modern Auth (OAuth 2.0), Microsoft has detailed the next protocol it's disabling for Exchange Online customers, starting today.

Microsoft has once again informed customers that it is deprecating Basic Auth for many Exchange Online protocols starting from next month. However, tenants will be able to bypass it temporarily.

Microsoft has partnered with Apple on an upcoming iOS update that will migrate Exchange Online accounts using Basic authentication in the Mail app to the more secure Modern authentication (OAuth 2.0).

Microsoft has revealed new capabilities coming to Reply-all Storm Protection in Exchange Online. Exchange admins will be able to add reports, a GUI for settings, and an alert flow to their arsenal.