An array formula is a formula that can perform multiple calculations on one or more items in an array. You can think of an array as a row or column of values, or a combination of rows and columns of values. Array formulas can return either multiple results, or a single result. Beginning with the September 2018 update for Microsoft 365, any ...

Windows 8.1 または Windows RT 8.1 でオペレーティング システムの情報を見つける. お使いのデバイスで実行中の Windows のバージョンを確認するには、Windows ロゴ キー キー+ Rを押し、[開く] ボックスに「winver」と入力して、[OK] を選択します。 デバイスが Windows 8.1 または Windows RT 8.1 を実行している ...

安装 Windows 11. 在针对你的特定电脑测试和验证 Windows 11 升级后，Windows 更新将指示它已准备好安装。 若要检查 Windows 11 是否已为你的设备准备就绪，请转到“开始” “设置” >“更新和安全性” >“Windows 更新” ，然后选择“检查更新”。 如果升级适用于你的设备，并且想要继续，请下载并安装它。

选择并按住 (右键单击) 任务栏Microsoft Edge徽标，然后选择"新建 InPrivate 窗口" 。. 在Microsoft Edge中，选择并按住 (右键单击) 并选择" 在 InPrivate 窗口中打开链接" 。. 在Microsoft Edge中，设置 "新建> "窗口中 选择"更多"。. 此设备的其他用户将看不到你的浏览活动，但你 ...

If you are experiencing this error, you can try another method, such as Authenticator App or verification code, or reach out to your admin for support. Restart your mobile device. Sometimes your device just needs a refresh. When you restart your device, all background processes and services are ended.

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Notes: This feature is not supported if you sign in with a work/school account. If you use an authenticator app or other multifactor sign in, you will need an app password to sign in.. If you want to create another email address that uses the same inbox, sent, items, and contact list as your existing Outlook.com account, read how to create an email alias.

通过安装 Microsoft Defender，保护 Android、iPhone、Mac 和 Windows 设备免受威胁。. 通过以下方式在设备上下载Microsoft Defender：. 扫描以下 QR 码. 在应用商店中搜索Microsoft Defender. 与设备共享，链接如下： 复制链接. 我们建议在每人至少五台设备上安装Microsoft Defender ...

Country/Region. Country/Region code. Phone number. Language. Australia. N/A. 13 20 58. English. New Zealand. N/A +64. 0800 800 004 9 368 5680. English

For technical support, go to Contact Microsoft Support, enter your problem and select Get Help. If you still need help, select Contact Support to be routed to the best support option. Learn how to cancel your Microsoft subscriptions such as Microsoft 365, Copilot Pro and Xbox. Troubleshoot issues if you can't cancel your subscription.