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Microsoft 365 help & learning
Get Microsoft 365 support, help, and learning resources. Organize your life, expand your creativity, and protect what’s important with Microsoft 365
适用于: Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Office 2016, Microsoft 365 家庭版, Microsoft 365 Mac 版, 用于 Windows 的 Microsoft 365
Recover your PowerPoint files - Microsoft Support
Office 2021 and earlier versions Document Recovery Pane After an unexpected shutdown, the Document Recovery pane automatically opens to help you get your files back.Document Recovery lists any files you had open that were recovered from the most recent time you saved them, the most recent time they were AutoSaved (if your file is on OneDrive or SharePoint and you are a Microsoft 365 subscriber ...
适用于: Microsoft 365 专属 PowerPoint
Windows
Windows 운영 체제에 대한 도움말 및 방법 문서를 찾아보세요. Windows에 대한 지원을 받고 설치, 업데이트, 개인 정보 보호, 보안 등에 대해 알아봅니다. Windows에서 AI를 사용하여 더 많은 성과를 달성 중앙 집중형 AI 지원을 제공하는 PC 플랫폼은 Windows가 처음입니다.
Descargar e instalar o reinstalar Office 2019, Office 2016 u Office ...
Si esta es la primera vez que va a instalar Microsoft 365, es posible que primero tenga que realizar algunos pasos de configuración. Expanda la sección siguiente para obtener más información. Sin embargo, si va a reinstalar Microsoft 365, y ya ha canjeado una clave de producto y tiene una cuenta asociada a Microsoft 365, vaya a la sección iniciar sesión para descargar Office.
适用于: Office 2019, Office 2016, Office 2016 for Mac, Office 2013
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.
Microsoft Edge - Microsoft
Internet Explorer 또는 Microsoft Edge 레거시 Microsoft Edge 브라우저로 전환하여 완전히 새로운 방식으로 웹을 경험하세요. Microsoft Edge 이동 속도와 보안을 위해 오늘 Microsoft Edge 이동합니다.
Create installation media for Windows - Microsoft Support
To create the installation media, here's what you'll need: A PC with a reliable internet connection. The download time will vary, depending on your internet connection.
Open and run DxDiag.exe - Microsoft Support
Learn how to open and run DxDiag.exe on Windows to collect device information and troubleshoot DirectX sound and video issues.
Add or subtract dates - Microsoft Support
Add or subtract months from a date with the EDATE function. You can use the EDATE function to quickly add or subtract months from a date.. The EDATE function requires two arguments: the start date and the number of months that you want to add or subtract. To subtract months, enter a negative number as the second argument.
适用于: Microsoft 365 专属 Excel, Excel 网页版, Excel 2021, Excel 2019, Excel 2016
Excel video training - Microsoft Support
A list of Excel training, from entry level to advanced skills, plus templates and other resources.
适用于: Microsoft 365 专属 Excel, Microsoft 365 Mac 版专属 Excel, Excel 网页版, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2016