How to start a scan for viruses or malware in Microsoft Defender
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.
Applies To:
Microsoft Defender on Android, Microsoft Defender on Mac, Microsoft Defender on Windows
Installing Microsoft Defender - Microsoft Support
Protect your Android, iPhone, Mac, and Windows devices from threats by installing Microsoft Defender. Download Microsoft Defender on your devices either by: Scanning the following QR code Searching for Microsoft Defender in your app store Sharing with your devices, the following link: Copy link We encourage you to install Microsoft Defender on at least five devices per person. Ready to give it ...
Applies To:
Microsoft Defender on Android, Microsoft Defender on iOS, Microsoft Defender on Mac, Microsoft Defender on Windows
Phishing and suspicious behavior in Outlook - Microsoft Support
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 ...
Applies To:
Outlook 2024, Outlook 2024 for Mac, Outlook 2021, Outlook 2021 for Mac, Outlook 2019, Outlook 2016, Outlook on the web, Outlook.com, New Outlook for Windows
Contact Us - Microsoft Support
Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.
Microsoft Support
Microsoft Support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows 11, Surface, and more.
How to recover a hacked or compromised Microsoft account
Learn how to recover a hacked or compromised account, what to do next, and how to prevent your account from being compromised in the future.
Applies To:
Outlook.com
Stay Protected With the Windows Security App - Microsoft Support
The Windows Security app is a comprehensive security solution integrated into Windows, designed to protect your device and data from various threats. It includes features such as Microsoft Defender Antivirus, Windows Firewall, and Smart App Control, which work together to provide real-time protection against viruses, malware, and other security threats. The app is built into Windows, ensuring ...
Options > Junk Email - Microsoft Support
Junk email can strain networks, clog email servers, and fill mailboxes with unwanted messages and images. The server that hosts your mailbox will filter out most junk email, but not always all of it. The light version of Outlook Web App helps you control unwanted and unsolicited messages by letting you manage and create lists of trusted and untrusted email addresses and domains.
Applies To:
Outlook Web App Light, Outlook Web App
Contact - Microsoft Support
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.
Phone Link requirements and setup - Microsoft Support
System requirements and setup steps for the Phone Link app