Microsoft Exchange is a Microsoft email service often used by businesses and academic institutions. Exchange synchronizes email between an Exchange server and your client email app, such as Outlook.

Microsoft is investigating an Exchange Online service outage that is preventing customers from accessing their mailboxes using the classic Outlook desktop client.

Thunderbird 145 arrived around the same time as Firefox 145 – and you may be pleased to hear that it does not boast Firefox's ...

While the planned phase-out of Microsoft Exchange 2016 and Exchange 2019 is many months away, evaluate your organization’s needs now to avoid hassles down the road. October 2025 is going to be a big ...

If you are still running and patching an on-premises Exchange server, you need to opt into a major protection that Microsoft is rolling out to its customers. Microsoft has rolled out a new feature ...

Microsoft is responding to a new outage affecting classic Outlook desktop users. The company acknowledged the problem under ...

In the Cached Exchange Mode, a copy of your mailbox is saved on your computer. The copy offers prompt access to your data and is often updated with the server that runs Microsoft Exchange. Cached mode ...

Bonnie Cha was a former chief correspondent for CNET Crave, covering every kind of tech toy imaginable (with a special obsession for robots and Star Wars-related stuff). When she's not scoping out ...

Microsoft sounded the alarm on a hybrid Exchange bug in early August 2025 However almost 30,000 instances remain vulnerable Microsoft has advised users how to defend their endpoints, so patch now ...

Microsoft announced earlier today it is looking into an Exchange Online service outage that is preventing users from ...