在 Excel 中将 IF 与 AND、OR 和 NOT 函数配合使用 - Microsoft 支持
但如果需要测试多个条件,例如我们假设所有条件都需要为 True 或 False (AND),或只有一个条件需要为 True 或 False (OR),或者如果想要检查某个条件是否不 (NOT) 符合你的条件,这时该怎么做呢?这三个函数均可以单独使用,但它们更常见于与 IF 函数成对使用。
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, Excel Web App, Excel for Windows Phone 10
How to use the taskbar in Windows - Microsoft Support
These are the buttons and bars that sit right next to your Start button and cannot be moved.. Search on the taskbar can be set in four ways: either to Search box, which includes a full text box to enter your search (or your Bing Chat prompt; see Using the new Bing on the Windows taskbar for more) into plus additional search highlights, Search icon and label (displaying as a search icon and ...
Install Quick Assist - Microsoft Support
To pin Quick Assist to your taskbar so you can quickly get back to it, after Quick Assist is open, right-click (or press and hold) the icon on your taskbar > Pin to taskbar. If the old app icon still appears on your device, make sure you select the new app icon.
Sign in to SharePoint - Microsoft Support
In the upper left corner of the window, select the app launcher > All apps > SharePoint Tip: If you don't see the SharePoint app under All apps, use the Search box near the top of the window to search for SharePoint.
Applies To: SharePoint in Microsoft 365
Connect Surface to a TV, monitor, or projector - Microsoft Support
If your screen only has a Mini DisplayPort, you can set up the following connections—connect a USB-C to HDMI adapter to an HDMI cable then to an HDMI to Mini DisplayPort and then to your external screen. Keep in mind that the more adapters used, the more degraded the signal may get.
Windows keyboard tips and tricks - Microsoft Support
Keystroke. What it does. Windows logo key + R Opens the Run command. Windows logo key + S Opens Search. Windows logo key + E Opens File Explorer. Alt + Tab. Opens Task Switcher, moving forward with each press of Tab, switching to that window on release
Get help with Windows activation errors - Microsoft Support
Notes: If you don't see Go to Microsoft Store on the Activation page, contact your organization's support person.. If you made a substantial hardware changes to your device (such as replacing the motherboard) and you have a valid product key, try to activate Windows by phone.
Account has been locked - Microsoft Support
Why accounts are locked and disabled. Microsoft accounts are usually locked if the account holder has violated our Microsoft Services Agreement.Here are some common reasons why accounts are locked, though not all account locks occur for these reasons:
Install Office 2007 - Microsoft Support
When prompted, enter the product key. You can find the product key on the sticker on the CD case or other packaging. If you need help, see Find your Product Key for Office 2007.
Applies To: Office 2007
Record a meeting in Microsoft Teams - Microsoft Support
Notes: Meeting recordings won't capture whiteboards, annotations, shared notes or content shared in the stage view by apps, and also won't include videos or animations embedded in PowerPoint Live presentations.
Applies To: Microsoft Teams