A series of unfortunate and cascading mistakes allowed a China-backed hacking group to steal one of the keys to Microsoft’s email kingdom that granted near unfettered access to U.S. government inboxes ...

Hackers stole login credentials for a Microsoft customer support agent and were able to read emails from people using services like Outlook, Hotmail and MSN. Alfred Ng Senior Reporter / CNET News ...

Microsoft is working to resolve an Exchange Online issue causing email access problems for Outlook mobile users who use Hybrid Modern Authentication (HMA). HMA is a Microsoft Exchange Server feature ...

Microsoft Outlook remains a cornerstone for managing communication, scheduling, and productivity. Whether you are new to Outlook or seeking to enhance your expertise, understanding its core features ...

Microsoft is working to address an ongoing service issue that has intermittently prevented some users from accessing their cloud-based Exchange Online mailboxes via Outlook mobile and Mac desktop ...