在 Excel 中将 IF 与 AND、OR 和 NOT 函数配合使用 - Microsoft 支持
下面是如何分别构造 AND、OR 和 NOT 函数的概述。 当将它们分别与 IF 语句组合使用时,应按如下方式表达: AND – =IF(AND(Something is True, Something else is True), Value if True, Value if False). OR – =IF(OR(Something is True, Something else is True), Value if True, Value if False). NOT – =IF(NOT(Something is True), Value if True, Value if False)
Applies To:
Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web, Excel 2024, Excel 2024 for Mac, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2016, Excel Web App, Excel for Windows Phone 10
November 12, 2024—KB5046615 (OS Build 17763.6532)
Windows 10, version 1909 and Windows Server, version 1909 update history; End of service statement; May 10, 2022—KB5013945 (OS Build 18363.2274)
Activate Windows - Microsoft Support
Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.
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 2024, Outlook 2021, Outlook 2019, Outlook 2016, Office for business
Install Windows Updates - Microsoft Support
Learn how to check for the latest Windows Updates and install them to keep your device running smoothly and securely.
2025 年 1 月 14 日-KB5049624 适用于 Windows 11 Version 22H2 和 Windows 11 ...
适用于 Windows 11(版本 22H2)和 Windows 11(版本 23H2)的 2025 年 1 月 14 日更新包括 .NET Framework 3.5 和 4.8.1 中的安全性和累积可靠性改进。
Surface 电池无法充电或 Surface 无法使用电池供电 - Microsoft 支持
接通 Surface 电源。 选择任务栏上的“搜索”,输入“设备管理器”,然后从结果列表中选择“设备管理器”。 选择“电池”类别旁边的箭头。 双击“Microsoft Surface 高级配置和电源接口兼容的控制方法电池”或“Surface 电池”,选择“驱动程序”选项卡,然后依次选择“卸载设备”>“确定”。
激活 Windows - Microsoft 支持
链接 Microsoft 帐户. 要链接 Microsoft 帐户,请进行以下操作: 以管理员身份登录以添加 Microsoft 帐户。 若要确认使用的是管理员帐户,请选择“ 开始 ”按钮,然后选择 “设置 > 帐户 ”> 你的信息 。 在你的名称下,你将看到 管理员 。 如果你不是管理员,请参阅 在 Windows 中管理用户帐户以创建管理 ...
How to sign out of your Microsoft account everywhere
If you think someone might have unauthorized access to your account, we can protect you by signing you out from all of your trusted devices. Within 24 hours, you will be signed out of browsers, apps and anywhere else your account is used to sign in, except an Xbox console.
Applies To:
Microsoft account dashboard
Track my Microsoft Rewards orders - Microsoft Support
If you want to track your Microsoft Rewards order after you redeem an award, sign in to the Rewards page with your Microsoft account, select Redeem and then select Order history.On the Order history page, find your order and then look under Status.. Open Rewards dashboard