如何登入 Hotmail - Microsoft 支援服務
附註: 您的 Hotmail 或 Outlook.com 密碼與您的 Microsoft 帳戶密碼相同。 如果您可以登入但遇到 Outlook.com 的問題，請檢查 服務狀態。如果狀態不是顯示綠色，請等候該服務正常執行，然後再試一次。
适用于:
Outlook.com
Undo, redo, or repeat an action - Microsoft Support
You can undo, redo, or repeat many actions in Microsoft Word, PowerPoint, and Excel. You can undo changes, even after you have saved, and then save again, as long as you are within the undo limits (By default Office saves the last 100 undoable actions).
适用于:
Microsoft 365 专属 Excel, Microsoft 365 专属 Word, Microsoft 365 专属 PowerPoint, Microsoft 365 Mac 版专属 Excel, Microsoft 365 Mac 版专属 Word, Microsoft 365 Mac 版专属 PowerPoint, Excel 网页版, Word 网页版, PowerPoint 网页版, Excel 2021, Word 2021, PowerPoint 2021, Excel 2021 for Mac, Word 2021 for Mac, PowerPoint 2021 for Mac, Excel 2019, Word 2019, PowerPoint 2019, Excel 2019 for Mac, Word 2019 for Mac, PowerPoint 2019 for Mac, Excel 2016, Word 2016, PowerPoint 2016
Request a refund for digital games | Xbox Support
Find out how to submit a request for a refund for a purchase of digital Xbox content.
Comment se connecter et se déconnecter d’Outlook.com
Si vous ne parvenez pas à vous connecter à votre compte de messagerie Outlook.com, Hotmail, Live ou MSN, ou si vous ne savez pas comment vous connecter ou vous déconnecter, voici quelques solutions.
适用于:
Outlook.com
Instalar Project - Soporte técnico de Microsoft
Descubra cómo instalar Project 2013, Project 2016 y Project para Office 365.
适用于:
Project Online 桌面客户端, Project 专业版 2021, Project Standard 2021, Project Professional 2019, Project Standard 2019, Project 专业版 2016, Project Standard 2016, Office 商业版, Office 365 小型企业版, Microsoft 365 管理员, Office.com, Project for Office 365
Set up a security key as your verification method
Manage app passwords for two-step verification; Set up a mobile device as a two-step verification method; Set up an office phone as a two-step verification method; Set up an authenticator app as a two-step verification method; Work or school account sign-in blocked by tenant restrictions; Sign in to your work or school account with two-step ...
Reinstall Windows - Microsoft Support
Learn how to reinstall Windows on your PC and how activation works after it's installed.
Cómo comprobar si el dispositivo cumple los requisitos del sistema de ...
Consulta este artículo si has realizado recientemente cambios en el hardware del dispositivo e intentas actualizar a Windows 11. Los cambios de hardware pueden afectar a tu idoneidad para la actualización, aunque deberás realizar algunos pasos para ver esta información actualizada en Configuración.
如何手动下载 Windows 更新 - Microsoft 支持
Windows 更新可以帮助你下载更新。 但是，如果要在 Windows 更新列表中手动下载特定程序，例如 Service Pack 或特定安全更新，请按照以下步骤操作。 解决方法 所有下载程序都位于 Microsoft 下载中心。 可以通过这些步骤完成下载过程。
Come posso eseguire l'accesso come amministratore?
Ottieni una breve spiegazione sull'accesso come amministratore e sulla modifica di altri account utente nel computer.