The lightweight web client is going away, placing more demands on systems still clinging to Microsoft's on-prem email system.

Microsoft Exchange is a wildly popular threat target, with dangers exacerbated by the tech giant's end support for Exchange 2016 and 2019 last month. Now those email servers won't receive necessary, ...

Microsoft says it partially mitigated a week-long Exchange Online outage causing delays or failures when sending or receiving email messages. While the company didn't publicly share information on ...

Microsoft announced on Monday that it will soon block mobile devices running outdated email software from accessing Exchange Online services until they're updated. As the Exchange Team explained, ...

Microsoft on Thursday disclosed a zero-day vulnerability in Exchange that's under active exploitation, but four days later customers are still awaiting a patch. The zero-day, tracked as CVE-2026-42897 ...

The Microsoft logo is seen at an Experience Center on Fifth Avenue on April 03, 2024 in New York City. Michael M. Santiago/Getty Images Microsoft is investigating a critical failure in Exchange Online ...