A phishing email is an email that appears legitimate but is actually an attempt to get your personal information or steal your money. Some deceptive emails appear to be from a safe sender but, in fact, have a "spoofed" source address to fool you. Here are some ways to deal with phishing and spoofing scams in Outlook.com. Spoof intelligence in Exchange Online Protection helps prevent phishing ...

Signing your email messages with a digital ID helps to prove your identity and prevent message tampering.

If you suspect that your device may have malware you should have Microsoft Defender run a scan. Here's how to do that on Windows, Mac, or Android.

This page provides support links for home users and support phone numbers for business users.

Here are the most likely causes for an unrecognized charge: A Microsoft subscription has recurring billing enabled. Someone you know, such as a family member, bought something with your card. You can now investigate this on the Manage your payments page. A previously declined charge was charged again. A pre-order or split order was shipped. Someone made an in-app purchase from an app, game, or ...

You can resolve problems with Microsoft Authenticator by checking the tips in this article and reviewing some of the known errors.

Website notifications appear in the lower right corner of your screen and are also displayed in the notification center. When notifications are turned on for a website, they will still appear even if Microsoft Edge is closed.

Support for Windows 10, Office 2016 and Office 2019 has ended on October 14, 2025. Learn more about your options for Windows 10 or for Office.

This page shows info about the activity in your Microsoft account, within the last 30 days.

Send S/MIME or Microsoft Purview encrypted emails in Outlook using a work or school account with a qualified Microsoft 365 subscription.