Microsoft Support
Microsoft support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows, Surface, and more.
Como entrar ou sair do Outlook.com - Suporte da Microsoft
Para obter suporte no Outlook.com, clique aqui ou selecione Ajuda na barra de menus e digite sua consulta. Se a autoajuda não resolver seu problema, role para baixo até Ainda precisa de ajuda? e selecione Sim.. Para entrar em contato conosco no Outlook.com, você precisará entrar.
适用于: Outlook.com
Manage your Microsoft 365 subscription or Office product
Sign in to microsoft365.com to view your Microsoft 365 work or school account. Sign in. Install and manage your apps. On the Office apps card, select Manage, and select Install to install or reinstall the latest desktop apps, or other apps such as Project or Visio.(An install option is available as long as your admin assigned you a license and gave you permission to self-install.)
适用于: Microsoft 365 专属 Excel, Microsoft 365 专属 Word, Microsoft 365 专属 Outlook, Microsoft 365 专属 PowerPoint, Microsoft 365 专属 Access, OneNote for Microsoft 365, Microsoft 365 专属 Publisher, Visio 计划 2, Microsoft 365 Mac 版专属 Excel, Microsoft 365 Mac 版专属 Word, Microsoft 365 Mac 版专属 Outlook, Microsoft 365 Mac 版专属 PowerPoint, Microsoft 365 Mac 版专属 OneNote, Word 网页版, OneNote 网页版, PowerPoint 网页版, Excel 2024, Word 2024, Outlook 2024, Access 2024, OneNote 2024, Project Professional 2024, Project Standard 2024, Visio Standard 2024, Office 2024, Excel 2024 for Mac, Word 2024 for Mac, Outlook 2024 for Mac, OneNote 2024 for Mac, Office 2024 for Mac, Excel 2021, Word 2021, Outlook 2021, Access 2021, Project 专业版 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2021 for Mac, Word 2021 for Mac, Outlook 2021 for Mac, OneNote 2021 for Mac, Office 2021 for Mac, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Professional 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, PowerPoint 2019 for Mac, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Project 专业版 2016, Project Standard 2016, Publisher 2016, Visio 专业版 2016, Visio 标准版 2016, Office 2016, Microsoft 365 管理员, Outlook 网页版, Word Web App, Microsoft 帐户仪表板, 新的 Outlook for Windows
Screen mirroring and projecting to your PC or wireless display
Note: The Wireless Display app is available on devices running Windows 11, version 22H2 and later.If you're running an earlier version of Windows, launch the Connect app by entering connect in the search box on the taskbar, and selecting Connect in the list of results. To find out which version of Windows you're running, see Which version of Windows operating system am I running?
磁盘管理帮助 - Microsoft 支持
Windows 中的磁盘管理可帮助你执行诸如初始化新驱动器、扩展或压缩卷等高级存储任务。 你可以使用磁盘管理执行如下操作: 初始化新驱动器 扩展基本卷
重新激活 Microsoft 365 或 Office - Microsoft 支持
或者,如果你在计算机上成功安装了 Microsoft 365 或 Office,但需要有关激活或重新激活它的帮助,请转到: 对于 Microsoft 365 - 激活 Office。
适用于: Office 2021, Office 2019, Office 2016, Office 2013, Microsoft 365 家庭版
在 Microsoft Edge 中打开 Adobe Flash - Microsoft 支持
了解如何在 Microsoft Edge 中启用 Adobe Flash。 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。
在 Excel 中将 IF 与 AND、OR 和 NOT 函数配合使用
但如果需要测试多个条件,例如我们假设所有条件都需要为 True 或 False (AND),或只有一个条件需要为 True 或 False (OR),或者如果想要检查某个条件是否不 (NOT) 符合你的条件,这时该怎么做呢?这三个函数均可以单独使用,但它们更常见于与 IF 函数成对
适用于: Microsoft 365 专属 Excel, Microsoft 365 Mac 版专属 Excel, Excel 网页版, Excel 2024, Excel 2024 for Mac, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2016, Excel Web App, Excel for Windows Phone 10
如何登入或登出 Outlook.com - Microsoft Support
如果無法登入您的 Outlook.com、Hotmail、Live 或 MSN 電子郵件帳戶,或者您不確定如何登入或登出,請嘗試這些解決方案。 若要在 Outlook.com 中取得支援,請按一下這裡或選取功能表列上的 [說明],然後輸入您的查詢。如果自助無法解決問題,請向下捲動至 ...
适用于: Outlook.com
Change your default search engine in Microsoft Edge
Keeping Bing as your default search engine provides an enhanced search experience in the new Microsoft Edge , including direct links to Windows apps, relevant suggestions from your organization if you’re signed in with a work or school account, and instant answers to questions about Windows.However, you can change the default search engine to any site that uses OpenSearch technology.