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 ...

Select Install (or depending on your version, Install apps> ). From the home page select Install apps (If you set a different start page, go to aka.ms/office-install .) For Microsoft 365 operated by 21 Vianet go to login.partner.microsoftonline.cn/account. For Microsoft 365 Germany go to portal.office.de/account.

Tips: While signing in, select Yes at the "Stay signed in?" prompt if you want to go straight to your mailbox next time (not recommended for shared computers). Alternatively, check the "Don't show this again" box and select No to be prompted for your password each time.. If you can't sign in, or have forgotten your username or password, use our sign-in troubleshooter.

Supercharge your creativity and productivity with a premium Copilot experience. Download the Copilot app for a 1-month free trial of Copilot Pro. Get the Copilot app. Microsoft support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows, Surface, and more.

Select Start > All apps and search for the app in the list shown. Press and hold (or right-click) on the app, then select Uninstall. Uninstall in Settings. Select Start > Settings > Apps > Apps & features . Find the app you want to remove, select More > Uninstall. Note: Some apps can't be uninstalled from the Settings app right now.

If the Get Help app is unable to resolve your sound or audio issue, try the possible solutions listed: 1. Check your speaker output. 2. Run the audio troubleshooter. 3. Verify that all Windows Updates are installed. 4. Check your cables, plugs, jacks, volume, speaker, and headphone connections.

Create Windows 11 installation media. On the Windows 11 software download page , select Create tool now and follow the instructions to install Windows 11. Warning: Microsoft recommends against installing Windows 11 on a device that does not meet the Windows 11 minimum system requirements.

Para cerrar la sesión, vaya a Outlook.com. Seleccione las iniciales de la cuenta o la imagen de la cuenta en la esquina superior de la Bandeja de entrada. Seleccione Cerrar sesión. Sugerencias: Si no ve la imagen en la parte superior de la pantalla, compruebe si está activado el bloqueo de anuncios. A veces, esto impide que la imagen se muestre.

Remarques : Votre mot de passe Hotmail ou Outlook.com est le même que celui de votre compte Microsoft. Si vous pouvez vous connecter mais que vous rencontrez des problèmes avec Outlook.com, vérifiez l’état du service.Si l’état n’est pas vert, patientez jusqu’à ce que le service fonctionne normalement et essayez de vous reconnecter.

Here’s how: Check in quick settings: Select the Network, Sound, or Battery icons ( ) on the right side of the taskbar, look for the Bluetooth quick setting, then select Bluetooth to turn it on. You’ll see “Not connected” if your Windows 11 device isn’t connected to any Bluetooth accessories. Check in Settings: Select Start > Settings ...