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。

Miracast wireless displays. Wirelessly connect your PC to a TV, projector, another PC, or other kind of external display that supports Miracast.

Tip: Creating an Outlook.com email address gives you a brand-new email address that is attached to your existing Microsoft account.This makes several benefits and features available to you within the Microsoft suite of products, particularly within Outlook. You might want to do this if your Microsoft account is not currently tied to an Outlook.com email address.

Wenn Sie eine Datei nicht finden können oder eine Datei versehentlich geändert oder gelöscht haben, können Sie sie aus einer Sicherung (falls Sie Windows-Sicherung verwenden) oder aus einer Vorgängerversion wiederherstellen. Vorgängerversionen sind Kopien von Dateien und Ordnern, die Windows automatisch im Rahmen eines Wiederherstellungspunkts speichert.

Summary. MSN is the Microsoft information and entertainment network. MSN offers Internet subscriptions and services. This article describes how to contact MSN Customer Support.

If pressing the Connect button in action center doesn't find your device in Windows 10, here are some things to try:. Check action center to see if your Windows device supports Bluetooth. If it does, there'll be a Bluetooth button in action center. Make sure it's turned on.

Как открыть приложение "Проверка работоспособности ПК" В Windows воспользуйтесь поиском на ...

To verify that your digitally signed message was received unaltered by the intended recipients, select the Request S/MIME receipt for all S/MIME signed messages check box. You can request notification telling you who opened the message and when it was opened, When you send a message that uses an S/MIME return receipt request, this verification information is returned as a message sent to your ...

Change two-step verification settings; Common problems with two-step verification for work or school accounts; Manage app passwords for two-step verification

注意 此信息仅适用于可用于 Windows 的 Xbox 360 控制器。 有关解决 Xbox One 无线控制器问题的帮助，请参阅如何将 Xbox One 无线控制器连接到 Windows 电脑。有关针对其他游戏手柄或游戏杆的帮助，或者有关配置特定游戏以便您可以使用控制器来玩游戏的 ...