登录 Office - Microsoft 支持
从 Web 浏览器登录到 www.office.com，然后开始使用 Web 上的应用或访问与你的帐户相关联的其他 Web 服务（如 OneDrive）。. 登录到已安装 Office 应用的方式取决于你的设备。
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, OneNote for Microsoft 365, Project Online Desktop Client, Publisher for Microsoft 365, Visio Plan 2, Excel for Microsoft 365 for Mac, Word for Microsoft 365 for Mac, Outlook for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac, OneNote for Microsoft 365 for Mac, Excel for the web, Word for the web, OneNote for the web, PowerPoint for the web, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Professional 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Excel 2021 for Mac, Word 2021 for Mac, Outlook 2021 for Mac, PowerPoint 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, Excel 2019 for Mac, Word 2019 for Mac, Outlook 2019 for Mac, PowerPoint 2019 for Mac, OneNote 2019 for Mac, Office 2019 for Mac, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Project Professional 2016, Project Standard 2016, Publisher 2016, Visio Professional 2016, Visio Standard 2016, OneNote for Mac, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Project Online, Microsoft 365 for Mac
Install and set up Office on an Android - Microsoft Support
You'll see the list of files you saved to OneDrive or OneDrive for work or school. The type files you see are specific to the app you opened them in.
Applies To:
Microsoft 365 for home, Office for business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Small Business Admin, Office 365 operated by 21Vianet - Admin, Microsoft 365 for Mac, Office app for Android
End of support for Cortana - Microsoft Support
Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.
Set up the Microsoft Authenticator app as your verification method
Method. Used for. Authenticator app. Two-factor verification and password reset authentication. Text messages. Two-factor verification and password reset authentication.
在 Outlook 中打开和使用共享邮箱 - Microsoft 支持
在文件夹窗格中查找共享邮箱. 在左侧的文件夹窗格中，找到“ 与我共享” 文件夹。 单击文件夹以将其展开。 共享邮箱是“ 与我共享”下的子文件夹。在其中选择共享邮箱的名称时，它将展开以显示标准电子邮件文件夹，例如 “收件箱”、“ 草稿”和 “已发送邮件”。
Applies To:
Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Office for business, Office 365 Small Business, Microsoft 365 admin, Outlook on the web, New Outlook for Windows
Join a meeting without an account in Microsoft Teams
Learn how to join a Microsoft Teams meeting if you don't have an account. Join a Teams meeting as a guest in the Windows app or on the web.
Applies To:
Microsoft Teams
How to verify your Outlook.com account - Microsoft Support
To get support in Outlook.com, click here or select Help on the menu bar and enter your query. If the self-help doesn't solve your problem, scroll down to Still need help? and select Yes.. To contact us in Outlook.com, you'll need to sign in.
Applies To:
Outlook.com
How to correct a #N/A error in the VLOOKUP function
Tip: Also, refer to the Quick Reference Card: VLOOKUP troubleshooting tips which presents the common reasons for #NA issues in a convenient PDF file. You can share the PDF with others or print for your own reference.
Applies To:
Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016, Excel for Windows Phone 10
Office Help & Training
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啟用 Windows - Microsoft 支援服務
若要連結您的 Microsoft 帳戶，請依照下列指示進行： 以系統管理員身分登入，新增您的 Microsoft 帳戶。 若要確認您使用的是系統管理員帳戶，請選取 [開始] 按鈕，然後選 取 [設定 >帳戶 >您的資訊] 。在您的名稱底下，您會看到 系統管理員 。 如果您不是系統管理員，請參閱 建立本機使用者帳戶或 ...