Blocked file types in Outlook. If you use a Microsoft Exchange Server account and the Exchange Server administrator has configured your Outlook security settings, your administrator might be able to help you.

Microsoft is retiring the Windows legacy inbox Troubleshooters, such as Keyboard troubleshooter and Speech troubleshooter, and the Microsoft Support Diagnostic Tool (MSDT) that runs them.

Read here how you use a USB flash drive or a SD card in Windows 7 for Windows ReadyBoost.

Learn what to do if Surface won’t turn on, turns on then off, or starts and gets stuck on a screen—a black screen, a screen with a logo, or another screen

此疑难解答将为计算机尚未更新至最新版本 Windows 10 版本 1607 的客户提供协助。 此更新最初只会发布给一小组有针对性的客户。 这些客户会随着时间的推移而扩展。 Windows 用户可以从本文启动助手。

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.

If your Surface device or accessory is no longer covered by Microsoft’s Limited Warranty or Microsoft Protection Plan, you may be eligible for out-of-warranty service for a fee.

了解如何兑换礼品卡、代码或 Office 产品密钥，以及如何在 Microsoft Store 在线商店、Windows 或 Xbox 上花费余额。

Hier erfahren Sie, wie Sie eine Datenträgerbereinigung in Windows, z. B. temporäre Dateien und Systemdateien löschen, um Speicherplatz frei zu machen.

O aplicativo Verificação de integridade do PC traz informações atualizadas sobre o seu dispositivo Windows, ajudando você a tomar medidas para melhorar o desempenho do dispositivo e solucionar problemas de desempenho.