AND 和 OR 函数最多可支持 255 个单独条件，但并不建议使用多个条件，因为构建、测试和维护复杂的嵌套公式是非常难的。. NOT 函数仅采用一个条件。. 下面是根据它们的逻辑写出的公式：. 公式. 说明. =IF (AND (A2>0,B2<100),TRUE, FALSE) 如果 A2 (25) 大于 0，并且 B2 (75 ...

Using email in Outlook on the web. If you use Outlook to view your work or school email in a web browser, you're using Outlook on the web. Get help with signing in, changing passwords, creating and sending mail, deleting mail, creating folders, and more in Outlook on the web.

To play a CD or DVD. Insert the disc you want to play into the drive. Typically, the disc will start playing automatically. If it doesn't play, or if you want to play a disc that is already inserted, open Windows Media Player, and then, in the Player Library, select the disc name in the navigation pane. If you inserted a DVD, select a DVD title ...

Connect the USB-C audio adapter: Plug the USB-C audio adapter into a USB-C port on your Windows computer. Wait for Automatic Installation (if applicable): Windows might automatically install the necessary drivers for the USB-C audio adapter. Wait for a few moments to see if Windows recognizes and installs the device automatically. Select Start ...

Select Start > Settings > Windows Update. Select Check for updates at the top of the page. After the system is done checking for updates, select Advanced options. Select Optional updates. Select Driver updates if it's an option on the page. Select the box next to the driver that's associated with the device you're attempting to install.

If the Encrypt contents to secure data check box is selected, you have to have the certificate that was used to encrypt the file or folder to be able to open it. In this situation, you should obtain the certificate from the person who created or encrypted the file or folder, or have that person decrypt the file or folder.

Restart your computer. When you see the computer's manufacturer's logo, repeatedly press the F8 key. When you are prompted, use the arrow keys to highlight Safe Mode with Networking, and then press Enter. Tip: Safe Mode starts Windows with only the minimum number of drivers and services necessary for operation.

Use voice typing to talk instead of type on your PC. Windows 11 Windows 10. Windows 11 Windows 10. With voice typing, you can enter text on your PC by speaking. Voice typing uses online speech recognition, which is powered by Azure Speech services.

Outlook.com でサポートを受けるには、 ここ をクリックするか、メニュー バーの [ヘルプ] を選択してクエリを入力します。. セルフヘルプで問題が解決しない場合は、 [さらにヘルプが必要ですか?] まで下にスクロールし、 [はい] を選択します。. Outlook.com で ...

Visio is a diagraming tool that makes it easy and intuitive to create flowcharts, diagrams, org charts, floor plans, engineering designs, and more by using modern templates with the familiar Office experience. On this page, you can access some of the top templates and sample diagrams available in Visio, or request ones that you want.