Is Outlook down again? As the outage stretches into the afternoon, the global community waits for a formal update from Microsoft regarding the Hotmail outage.

If you're having trouble logging into your Hotmail account today, you're definitely not the only one. Millions of users around the world have been facing issues with Microsoft's email service since early Thursday morning,

Microsoft is moving all of its Hotmail users to Outlook.com by this summer. Here's what the hundreds of millions still using Hotmail need to know about the transition.

Hotmail was the land of burner accounts for people setting up fake dating profiles. As a pioneer in HTML email, Hotmail users were a natural target for emerging phishing and drive-by download attacks.