Learn how to activate Office pre-installed on new Windows 10 PCs or with a new product key.

Se não for possível entrar na conta de email do Outlook.com, Hotmail, Live ou MSN, ou se não souber como entrar ou sair, confira algumas soluções.

You can use a PivotTable to summarize, analyze, explore, and present summary data. PivotCharts complement PivotTables by adding visualizations to the summary data in a PivotTable, and allow you to easily see comparisons, patterns, and trends.

Windows 更新可帮助解决电脑问题。 使用 Windows 更新 修复问题是一种恢复工具，可帮助解决与更新相关的问题。使用此工具将在设备上重新安装当前版本的 Windows。 此工具可保留所有应用、文档和设置。

Using Authenticator as a way to sign in. If you have turned on passwordless, two-step, or multi-factor authentication for your account, use the following steps to sign-in:

按“提交”即表示你的反馈将用于改进 Microsoft 产品和服务。 你的 IT 管理员将能够收集此数据。 隐私声明。

Learn how to sign in and out of Microsoft Teams (free) with a Microsoft account, which you already have if you use Skype, OneDrive, Outlook.com, or Xbox Live.

如果您購買的 Office 或 Microsoft 365 隨附產品金鑰，您可以在下方列出適用於您產品的網站上輸入產品金鑰。 輸入金鑰之後，您可以下載並安裝 Office，也可以為您的 Microsoft 365 訂閱續約。

Learn how to use the cloud-based clipboard in Windows, share clipboard items across your devices, and pin items to your clipboard menu.

使用工作或学校帐户登录 Microsoft 365，并转到保存在 SharePoint 库 或 工作或学校 OneDrive 中的文档。