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Connect and adjust multiple monitors in Windows with this guide. Learn tips and tricks from related webpages on snapping, splitting, and multitasking.

Xbox Support offers help for Xbox, Game Pass, and billing questions. Get advice and customer service in the Xbox Support community.

在电脑重启后，你将看到一列选项。选择“4” 或按 F4 以在安全模式下启动电脑。或者，如果需要使用 Internet，请选择 “5 ”或按 F5 以使用网络实现安全模式。

WinRE 이미지의 버전이 10.0.19041.3920 버전 이상인 경우입니다. WinRE 이미지의 버전을 파악하려면 HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion에서 WinREVersion 레지스트리 값을 확인합니다.

Learn how to troubleshoot problems installing or running games from the Xbox app for PC.

If Office activation fails, you'll see Unlicensed Product or Non-commercial use / Unlicensed Product in the title bar of your Office apps, and most features of Office are disabled. To restore all features of Office, you'll need to fix the problem that's causing activation to fail.

适用于: Microsoft 365 专属 Excel, Microsoft 365 专属 Word, Microsoft 365 专属 Outlook, Microsoft 365 专属 PowerPoint, Microsoft 365 专属 Access, OneNote for Microsoft 365, Project Online 桌面客户端, Microsoft 365 专属 Publisher, Visio 计划 2, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project 专业版 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 专业版 2016, Project Standard 2016, Publisher 2016, Visio 专业版 2016, Visio 标准版 2016, Office 2016, Microsoft 365 家庭版, Office 商业版, Office 365 小型企业版, Microsoft 365 管理员, InfoPath 2013

说明 ROUND 函数将数字四舍五入到指定的位数。例如，如果单元格 A1 包含 23.7825，而且您想要将此数值舍入到两个小数位数，可以使用以下公式： =ROUND(A1, 2) 此函数的结果为 23.78。语法 ROUND(number, num_digits)

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 2019 for Mac, Excel 2016

Outlook のルールを使用して、メールメッセージをフォルダーに自動的に移動する方法、メッセージにフォローアップのフラグを設定する方法、メッセージに応答する方法、カスタムルールを作成する方法。

适用于: Microsoft 365 专属 Outlook, Outlook 2021, Outlook 2019, Outlook 2016

Microsoft Word オンラインでドキュメントを作成、編集、共有します。 Word for the web を使用してドキュメントを簡単に作成、開き、名前変更する方法について説明します。

适用于: Word 网页版, Office.com

It’s easy to rack up Microsoft Rewards points and earn your way toward great rewards like gift cards, movies, games, nonprofit donations, and more.

适用于: Microsoft 帐户仪表板