The IF function allows you to make a logical comparison between a value and what you expect by testing for a condition and returning a result if True or False. So an IF statement can have two results. The first result is if your comparison is True, the second if your comparison is False. IF statements are incredibly robust, and form the basis ...

例如，=a1 & b1 返回与 =concatenate(a1,b1) 相同的值。 在许多情况下，使用与号比使用 concatenate 创建字符串的速度更快，更简单。 了解有关使用运算计算器的详细信息。 使用 text 函数组合字符串和设置字符串格式。

Here's more info on what permissions allow an app to do: Access all your files, peripheral devices, apps, programs, and registry: The app has the ability to read or write to all your files (including documents, pictures, and music) and registry settings, which allows the app to make changes to your computer and settings. It can use any peripheral devices that are either attached or part of ...

若要增加延遲時間，請輸入正數或百分比 (例如 2d) 。. 延隔時間會在兩個具有相依性的工作之間造成延遲。 例如，如果您想要在第一個任務結束和第二個任務開始之間延遲 2 天，請在兩個任務之間 建立完成-開始相依性 ，然後在第二個任務開始之前加上 2 天的延遲時間。

可以从“我的帐户”门户的 “我的登录 ”页查看所有最近的工作或学校帐户登录活动。. 通过复查登录历史记录来查看以下内容，有助于检查是否有异常活动：. 是否有人尝试破解你的密码。. 是否有攻击者成功登录你的帐户以及登录位置。. 攻击者尝试访问的 ...

Follow the prompts to install or reinstall the desktop apps. For Microsoft 365 Family or Personal subscriptions: Select Install premium Microsoft 365 apps and follow the prompts to install or reinstall the desktop apps. On the Microsoft 365 subscription tab, select Manage. From here you can: Renew your subscription with a prepaid code or card.

The MAXIFS function returns the maximum value among cells specified by a given set of conditions or criteria. Note: This feature is available on Windows or Mac if you have Office 2019, or if you have a Microsoft 365 subscription. If you are a Microsoft 365 subscriber, make sure you have the latest version of Office.

In the search box on the taskbar, type photos and then select the Photos app from the results. Select Settings, and under the About section, select About Photos. Photos: Says Updated in the About section of Settings—you are running the new version of the Photos app. This version includes features like iCloud integration in left navigation bar.

We're here to help. Tell us your problem so we can get you the right help and support.

我不記得與 Office 搭配使用的帳戶. 登入後，請依照符合您登入的帳戶類型執行下列步驟。. 從 Microsoft 365 首頁選取 [安裝應用程式] 。. 選取 [安裝 (或視您的版本而定，安裝 應用程式>) 。. 從首頁選取 [安裝應用程式 (如果您設定不同的開始頁面，請移至 aka.ms/office ...