下载并安装应用 - Microsoft 支持
了解如何从 Microsoft 365 商业版订阅下载和安装所需的应用。 提示 登录可将应用连接到 Microsoft 365 的其余部分，使你能够将文件保存到云、与他人共享文件，并在工作时自动保存文档。
Using IF with AND, OR, and NOT functions in Excel
Examples. Following are examples of some common nested IF(AND()), IF(OR()) and IF(NOT()) statements in Excel. The AND and OR functions can support up to 255 individual conditions, but it’s not good practice to use more than a few because complex, nested formulas can get very difficult to build, test and maintain.
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, Excel Web App, Excel for Windows Phone 10
Use System Restore - Microsoft Support
Use System restore to make restore points when you install a new app, driver, or Windows update, and when you create a restore point manually.
Pair a Bluetooth device in Windows - Microsoft Support
In quick settings: To find the quick setting for Bluetooth, select the Network, Sound, or Battery icons ( ) next to the time and date on the right side of your taskbar.Select Bluetooth to turn it on. If it's turned on without any Bluetooth devices connected, it might appear as Not connected . If you don't see Bluetooth in quick settings, you might need to add it.
Aan- of afmelden bij Outlook.com - Microsoft Ondersteuning
Als je ondersteuning wilt krijgen in Outlook.com, klik je hier of selecteer je Help op de menubalk en voer je je query in. Als de zelfhulp uw probleem niet oplost, schuift u omlaag naar Hebt u nog steeds hulp nodig? en selecteer Ja.. Als je contact met ons wilt opnemen in Outlook.com, moet je je aanmelden. Als u zich niet kunt aanmelden, klikt u hier.
适用于:
Outlook.com
Start your PC in safe mode in Windows - Microsoft Support
Safe mode starts Windows in a basic state, using a limited set of files and drivers. If a problem doesn't happen in safe mode, this means that default settings and basic device drivers aren't causing the issue.
Download and install or reinstall Office 2019, Office 2016, or Office ...
Note: The steps to install the 2019, 2016, or 2013 versions of Office Professional Plus, Office Standard, or a stand-alone app such as Word or Project might be different if you got Microsoft 365 through one of the following: Microsoft Workplace Discount Program (formerly known as Home Use Program): If you bought Microsoft 365 for personal use through your company, see Install Office through ...
适用于:
Office 2019, Office 2016, Office 2016 for Mac, Office 2013
Shut down (turn off) your PC - Microsoft Support
To turn off your PC in Windows 10, select the Start button, select the Power button, and then select Shut down.. I'm having trouble opening the Start menu
Установка и использование сканера в Windows 10 ...
В большинстве случаев для установки сканера достаточно подключить его к устройству. Подключите USB-кабель от сканера к доступному USB-порту на устройстве и включите сканер.
为 Windows 10 创建 ISO 文件 - Microsoft 支持
与以前版本的 Windows 不同的是，你需要使用媒体创建工具来创建用于安装 Windows 10 的 ISO 文件。 确保你有 Windows 10 安装许可证，然后按照以下步骤操作：