Follow these steps to temporarily turn off Defender antivirus protection in Windows Security. Keep in mind that if you do, your device may be vulnerable to threats.

How to use the LOOKUP function in Excel to search in a single row or column and find a value from the same position in a second row or column.

In Outlook, the black color theme includes dark mode, which provides a black background (instead of white) for the message window. You can switch to a white background for the message window if you prefer.

Learn how to use antivirus protection in Windows Security to protect your Windows PC against malware, viruses, and other threats.

The new Bing is now available to everybody directly from the Windows taskbar, making more ways to interact with your PC across search, answers, chat, and creation available anytime, right on your desktop.

Erfahren Sie, wie Sie Ihr Windows-Kennwort ändern oder zurücksetzen, wenn Sie es vergessen oder verloren haben.

Discover the latest features in Office 2021, including new ways to create content, manage data, and communicate effectively.

Learn how to manage your Microsoft devices. Add, remove, register, or rename a device on your Microsoft account.

Use Excel to create a chart from scratch or with recommended charts. Learn how to add a trendline and customize your chart style.

Provides information for avoiding and reporting Microsoft technical support scams.