Find answers to common questions about genuine Windows software.

Data Execution Prevention (DEP) is a technology built into Windows that helps protect you from malicious code launching from areas of memory that have been designated as for data only.

You can refer to the contents of cells in another workbook by creating an external reference formula. An external reference (also called a link) is a reference to a cell or range on a worksheet in another Excel workbook, or a reference to a defined name in another workbook.

Windows 备份和同步设置会同步你在所有已用 Microsoft 帐户登录的 Windows 设备上选择的设置。

Découvrez comment résoudre les problèmes Bluetooth liés à Windows. Résolvez les problèmes de connexion d’un appareil Bluetooth ou d’un accessoire.

Get productive quickly with Microsoft 365 videos and tutorials. Explore Microsoft 365 training guides and tips to collaborate with anyone, anywhere.

Learn how to set up the new voice access feature with your microphone in Windows.

Contacts can be exchanged between Outlook and Google Gmail to save time and avoid manually re-entering your contacts.

A Microsoft Exchange account is a work or school email account. The organization that gave you the Exchange email account is running a Microsoft Exchange Server, or is using Microsoft 365 which uses Exchange Server to provide email.

Learn how to download files or folders in OneDrive and OneDrive for Business.