Contact Us - Microsoft Support
Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.
在 Windows 上下载并安装 Skype for Business - Microsoft 支持
通过 Skype for Business，你可轻松与世界各地的同事和业务合作伙伴进行联系和协作：. 启动即时消息对话和语音或视频呼叫。. 查看你的联系人何时联机。. 安排会议和加入会议。. 会议期间展示你的屏幕或将控制权交给其他人。. 如果使用的是 Mac 版 Skype for Business ...
Applies To:
Skype for Business, Skype for Business Online
Stay safe with a genuine Office license - Microsoft Support
How to stay safe with a genuine Office license. Note: If you already bought genuine Office, but haven't installed it yet, make sure you Uninstall the counterfeit version of Office first. If you already installed genuine Office, uninstall both versions and then reinstall the genuine version.
Applies To:
Office 2019
Create a PivotTable to analyze worksheet data - Microsoft Support
How to use a PivotTable in Excel to calculate, summarize, and analyze your worksheet data to see hidden patterns and trends.
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
如何添加新的 Xbox 好友 | Xbox Support
好友 是你希望通过群聊天、消息传递、游戏和查看其活动源与之交互的人员。. 通过将玩家添加为好友，即可成为他们的“关注者”，直到他们也将你添加为好友。. 您最多可以有 1,000 个 Xbox 好友。. 关注者 是想要查看活动源更新的人员。. 他们选择将你添加为 ...