Check your device performance and health in Windows Security
The Health report starts off by showing you the last time a Device Health scan was run. The time displayed should be basically the current time, as Windows Security tries to run a Device Health scan when you open the Device performance & health page.. Beyond the time of last scan you'll see the status of the key areas that Device Health monitors:
Microsoft Edge for mobile FAQs - Microsoft Support
Browse on the go with the new Microsoft Edge for Android and iOS devices. Microsoft Edge offers better protection and privacy, and can sync your favorites, passwords, and more across your desktop and mobile devices.
Troubleshoot Outlook email setup - Microsoft Support
If you try to add an IMAP account to Outlook, for example a Gmail account, Apple account, Yahoo account, or an account from your local ISP, and you're not prompted to enter your password, use the following steps to work around the problem.
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Microsoft 365 admin
KB5001716: Update for Windows Update Service components
Important: If your device is out of support, it is no longer receiving security updates from Microsoft and may become more vulnerable to security risks and viruses.For this reason, we strongly recommend that you update to the latest version of Windows. Each version of Windows is supported for 18 months.
Fix microphone problems - Microsoft Support
If you want to give access to desktop apps, make sure that Let desktop apps access your microphone is turned on.You can't turn off microphone access for individual apps. Others can't hear me. Try the following solutions:
Use Smart charging in Windows - Microsoft Support
Lithium-ion batteries wear out over time, which can result in a battery not holding a charge for as long as it did when it was new. Keeping the battery charged to 100% all the time can cause it to deteriorate faster.
使用 SUMPRODUCT 对一个或多个数组中的对应值的乘积求和
sumproduct 使用单元格区域 (或创建数组 公式) 作为参数 (公式的各个部分,使其) 。 它将数组中的项相乘,然后对结果进行汇总。 此示例是一个购物清单,其中一个数组列出每个商品的成本,另一个数组列出将购买的商品数量。
Applies To: Excel 2013
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了解禮品卡和代碼 | Xbox Support
您無法在 Xbox One 上使用 Microsoft 或 Xbox 禮品卡從 Xbox 360 市集購買內容或 Xbox 360 內容。 購買 Microsoft 或 Xbox 禮品卡時,使用的貨幣務必要與收禮者計費帳戶相關聯的貨幣相符。
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