Get Microsoft billing support. Find help with Microsoft Store purchases, subscriptions, refunds, payment options, and checking your order history.

Learn how to adjust your Microsoft Teams personal account settings using your Microsoft account information.

The Basics of Search. Returning search results is no easy feat, and involves complex, near-instantaneous algorithmic calculations. A search for something as simple as “cat” could yield over 55 million results.

Learn how to get older apps or programs to run on Windows 10 or Windows 11 by adjusting compatibility settings.

Discover how to boost your browsing speed and save battery life with Microsoft Edge's performance features, such as sleeping tabs and efficiency mode.

Learn how to pin an app to the taskbar from the Start menu or apps list by right-clicking and selecting the "Pin to taskbar" option.

取得 Windows 安全的說明; 檢視及刪除 Microsoft Edge 中的瀏覽器歷程記錄; 刪除與管理 Cookie; 重新安裝 Windows 時，安全地移除您的寶貴內容

Create a document or other type of library in SharePoint to securely store files where you and your co-workers can find them easily, work on them together, and access them from any device at any time.

Learn how to add threaded comments and notes to cells in your Excel worksheet.

Focus is a new feature in Windows 11 that helps you minimize distractions. To help you stay on track, it integrates with the Clock app with features like a focus timer and music integration.