Security News

Microsoft has fixed an issue causing some Microsoft 365 users' Outlook desktop clients to stop connecting to email servers via Exchange ActiveSync. Exchange ActiveSync is a synchronization protocol used by Microsoft Exchange to allow users to access their email, calendar, contacts, and tasks.

Microsoft warned Outlook for Microsoft 365 users that clients might have issues connecting to email servers via Exchange ActiveSync after a January update."After updating to Version 2401 Build 17231.20182 Outlook stops connecting when using the Exchange ActiveSync protocol," Microsoft said.