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
Microsoft Support
Microsoft Support offers assistance for Microsoft products, including how-to articles, videos, and training for various software and devices.
安装 Project - Microsoft 支持
了解如何安装 Project 2013 和 2016，以及 Project for Office 365。
Applies To:
Project Online Desktop Client, Project Professional 2021, Project Standard 2021, Project Professional 2019, Project Standard 2019, Project Professional 2016, Project Standard 2016, Office for business, Office 365 Small Business, Microsoft 365 admin, Office.com, Project for Office 365
Microsoft Bing help - Microsoft Support
Explore subscription benefits, browse training courses, learn how to secure your device, and more.
Combining Microsoft accounts - Microsoft Support
Linking Microsoft personal accounts. It’s not possible to link, merge or combine Microsoft personal accounts, and you can't you transfer such things as your game progress or gamertag, account purchases and balance from one account to another, but accounts can be used side by side.
Applies To:
Outlook 2021, Outlook 2021 for Mac, Outlook 2019, Outlook 2019 for Mac, Outlook 2016, Microsoft 365 for home, Outlook.com, Microsoft 365 for Mac, Microsoft 365 for Windows, Microsoft account dashboard, OneDrive (home or personal), OneDrive for Mac, OneDrive for Windows
在 PowerPoint 中插入和更新 Excel 数据 - Microsoft 支持
如果使用较新版本的 PowerPoint ，则可以将已保存 Excel 工作表中的数据 链接到 PowerPoint 演示文稿。 这样，如果工作表中的数据发生更改，则可以轻松地在 PowerPoint 演示文稿中对其进行更新。
Applies To:
PowerPoint for Microsoft 365, PowerPoint 2021, PowerPoint 2019, PowerPoint 2016
在 Outlook.com 或 Outlook 网页版 中创建组 - Microsoft 支持
将成员添加到 Outlook 组. 首次创建组时，系统会提示你添加成员，但你也可以稍后添加成员。 输入要添加的每个人的姓名或电子邮件地址后，选择“ 添加”。 如果尚未准备好将人员添加到组，请选择“现在不”。 向 Outlook 组添加更多成员
Applies To:
Outlook on the web, Outlook.com
Reset OneDrive - Microsoft Support
Resetting Microsoft OneDrive can sometimes resolve sync issues. Follow the steps to reset your OneDrive.
Applies To:
OneDrive for Business, SharePoint Server Subscription Edition, SharePoint Server 2019, SharePoint in Microsoft 365, OneDrive (work or school), OneDrive (home or personal), OneDrive (work or school) operated by 21Vianet, OneDrive for Mac, OneDrive for Windows
How to share files in File Explorer on Windows
Learn how to share files in File Explorer on Windows 11 or Windows 10 using OneDrive, email, or nearby device.
Windows の Game Bar の概要 | Xbox Support
ゲーム プレイのキャプチャ、フレンドとのチャット、実績の追跡などを行うために、Game Bar を使用する方法について説明し ...