Find app notifications from the taskbar in Windows 11, and in Windows 10, use quick actions to change settings quickly as well.

Explore subscription benefits, browse training courses, learn how to secure your device, and more.

Create a simple formula to multiply and divide in an Excel spreadsheet. You can multiply two or more numbers in one cell or multiply and divide numbers using cell references. All formulas in Excel begin with an equal sign (=).

Learn what to do when you see a warning message that your device does not meet Windows 11 minimum system requirements to upgrade.

Change two-step verification settings; Common problems with two-step verification for work or school accounts; Manage app passwords for two-step verification

Outdated software can cause problems with a Windows upgrade, so removing old or nonessential applications can help. If you plan to reinstall the application later, make sure you have the installation media and all required activation information before removing it.

了解如何在 Microsoft Edge 中查看和删除浏览历史记录以及其他历史记录。

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

Accessing Credential Manager. Credential Manager lets you view and delete your saved credentials for signing in to websites, connected applications, and networks.

The files you store on a SharePoint site are usually available to everyone with permissions to the site, but you may want to share specific files or folders with people who don't otherwise have access to the site.