Note: If a compatibility issue has been identified on your device that would disrupt your experience using Windows 11, we will temporarily delay your upgrade until the issue is resolved.Compatibility safeguard holds help ensure you have the best experience possible when upgrading and your productivity is not disrupted if critical apps or drivers are not yet compatible.

参数名称 说明 range （必需） 要进行计数的单元格组。 区域可以包括数字、数组、命名区域或包含数字的引用。空白和文本值将被忽略。 了解如何选择工作表中的区域。 criteria （必需） 用于决定要统计哪些单元格的数量的数字、表达式、单元格引用或文本字符串。

可以使用 简单的公式对) 一组单元格 (区域中的数字求和，但在处理多个数字时 ，SUM 函数 更易于使用。 例如，=SUM (A2：A6) 出现键入错误的可能性小于 =A2+A3+A4+A5+A6。 下面是使用两个单元格区域的公式： =SUM (A2：A4，C2：C3) 对区域 A2：A4 和 C2：C3 中的数字求和。

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.

了解如何在您网络上的主要电脑和辅助电脑之间共享打印机。 在 Windows 10 中，可以将打印机共享给网络上的多台电脑。 若要从连接到打印机的电脑（主要电脑）共享打印机至未连接到打印机的辅助电脑，你必须设置共享打印机设置、将打印机连接到主要电脑（或者以无线方式或使用 USB 电缆 ...

可以从单个地址中删除超链接，一次删除多个链接，关闭自动超链接，并关闭按 Ctrl 跟踪超链接的要求。 删除超链接 若要删除超链接但保留文本，请右键单击该超链接，然后单击“ 删除超链接”。 若要完全删除超链接，请选择它，然后按 Delete。

How to redeem a gift card, Xbox download code or token. Both Microsoft and Xbox gift cards and download codes and tokens work the same way: once redeemed to your Microsoft account, you can spend your balance at Microsoft Store online, on Windows or Xbox, and you can get downloads for the latest apps, games, movies, TV shows, and Surface, Xbox, and accessories.

To get support in Outlook.com, click here or select Help on the menu bar and enter your query. If the self-help doesn't solve your problem, scroll down to Still need help? and select Yes.. To contact us in Outlook.com, you'll need to sign in.

摘要 本文介绍了适用于 Windows 10 Version 22H2 的 3.5、4.8 和 4.8.1 安全和累积更新。 安全改进 此版本中没有新的安全改进。 此更新是累积更新，包含以前发布的所有安全改进。

Where can I find my BitLocker recovery key? BitLocker likely ensured that a recovery key was safely backed up prior to activating protection. There are several places that your recovery key may be, depending on the choice that was made when activating BitLocker: