Outlook training - Microsoft Support
Training: Learn how to use Outlook in Windows, MacOS, iOS or Android, and Outlook on the web through a series of Outlook training courses.
Applies To:
Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Office for business
SUMIF function - Microsoft Support
How to use the SUMIF function in Excel to add the values in a range that meet criteria that you specify.
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
Contact Microsoft Office Support - Microsoft Support
Contact Microsoft Office Support for assistance with Microsoft 365, Office, Windows, Xbox, Surface products and more.
Repair an Office application - Microsoft Support
The steps to access the repair tool vary depending on your operating system. Right-click the Start button (lower-left corner) and select Apps and Features on the pop-up menu.
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, Publisher for Microsoft 365, Visio Plan 2, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Professional 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, 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, 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, Office 2016, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Small Business Admin, Office 365 operated by 21Vianet - Admin, InfoPath 2013, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin
设置 Lync 会议 - Microsoft 支持
了解如何使用 Outlook 安排 Skype for Business (Lync) 会议。 类似于使用 Outlook 来安排常规会议的方式。 当你添加 Skype for Business (Lync) 会议时，用于加入联机会议的链接将自动添加到你的会议请求。
Applies To:
Office for business, Office 365 Small Business, Lync 2013 for Office 365
共享 OneDrive 文件和文件夹 - Microsoft 支持
OneDrive 上的文件在共享之前是私有的。 请记住，使用编辑权限共享文件夹时，你与之共享的人员可以 将共享文件夹添加到自己的 OneDrive。 这使他们可以将该文件夹与他们自己的文件夹和项目保留在一起、轻松地在文件夹之间移动项目以及更轻松地脱机处理项目。
Applies To:
OneDrive for Business, SharePoint Server Subscription Edition, SharePoint Server 2019, SharePoint Server 2016, SharePoint Server 2013 Enterprise, SharePoint in Microsoft 365, Office for business, Microsoft 365 admin, OneDrive (work or school), Office.com, OneDrive (home or personal), SharePoint in Microsoft 365 Small Business
Troubleshoot print issues in Microsoft Edge - Microsoft Support
Guide for troubleshooting print issues in Microsoft Edge. If Microsoft Edge still can't print after you try this step, go on to the next step.
Energieeffiziente Einstellungen in Windows 11 - Microsoft-Support
Sie können Bildschirm- und Energiespareinstellungen verwenden, um Energie zu sparen und den Akku länger zu halten.
June 11, 2024—KB5039294 (Monthly Rollup) - Microsoft Support
Windows 8.1 and Windows Server 2012 R2; End of Support; July 9, 2024—KB5040456 (Monthly Rollup) June 11, 2024—KB5039294 (Monthly Rollup) May 14, 2024—KB5037823 (Monthly Rollup)
查找 Windows 产品密钥 - Microsoft 支持
查找 Windows 7 或 Windows 8.1 的产品密钥. 卸载或重新安装 Windows 7 或 Windows 8.1 时，通常需要产品密钥。 通常，如果购买的是实物 Windows 拷贝，产品密钥应该在标签上或者在 Windows 随附包装盒中的卡上。
Applies To:
Microsoft account dashboard