Update Surface devices and Windows. Download the latest drivers and firmware updates to keep your Surface devices performing their best.

Defragment your Windows 10 PC. Windows 10. Optimizing your drives can help your PC run smoother and boot up faster. To optimize them: Select the search bar on the taskbar and enter defrag. Select Defragment and Optimize Drives. Select the disk drive you want to optimize. Select the Optimize button. Defragment your Windows 10 PC.

Use Remote Desktop on your Windows, Android, or iOS device to connect to a Windows 10 PC from afar. Here's how to set up your PC to allow remote connections and then connect to the PC you set up.

Getting a message that your PC is running out of room can be a stressful event—or, even a genuine emergency if you're in the middle of an important project. The good news is you can probably free up a lot of space on your PC running Windows by following the tips here. But if you keep getting messages about low drive space, you might want to consider other options, including adding additional ...

我们最新的演变带来了一个新的名称，以统一我们所有用户的体验。 借此，我们将引入 Microsoft 手机连接 作为电脑应用体验，并将 连接至 Windows 作为我们针对 Android 设备的移动应用。

尝试使用 CLEAN 函数 或 TRIM 函数 。. 为方便起见，请使用命名区域. COUNTIF 支持公式 (中的命名范围，例如 =COUNTIF ( fruit 、“>=32”) -COUNTIF ( fruit “、”>85“) 。. 命名区域可位于当前工作表中，也可位于同一工作簿中的另一张工作表中，甚至来自另一个工作簿。. 若 ...

Find out how the Windows location service works and how to change the location privacy settings.

Create, edit and share documents with Microsoft Word online. Learn how to use Word for the web to create, open, and rename documents with ease.

激活 Microsoft 365 或非订阅版本的 Office. 当启动未激活的 Microsoft 365 应用时，系统将提示登录到 Microsoft 365。. 请务必使用用于购买或订阅 Microsoft 365 的 Microsoft 帐户或工作或学校帐户进行登录。. 注意: 如果新设备上预安装了 Microsoft 365，请参阅 激活新 Windows 设备上 ...

Remote Assistance and Easy Connect let someone you trust take over your Windows 10 PC and fix a problem from wherever they are.