A1 引用样式. 默认情况下，Excel 使用 A1 引用样式，此样式引用字母标识列（从 A 到 XFD，共 16,384 列）以及数字标识行（从 1 到 1,048,576）。 这些字母和数字被称为行号和列标。 要引用某个单元格，请输入列标，后跟行号。 例如，B2 引用列 B 和行 2 交叉处的单元格。

Microsoft 支持可帮助你处理 Microsoft 产品的问题。 查找有关 Microsoft Copilot、Microsoft 365、Windows、Surface 等操作方法的文章、视频和培训。

How to open PC Health Check. In Windows, use Search on the taskbar to search for “PC Health Check,” then select it from the list of results. If a PC Health Check update is available, you can quickly install it for the latest version. If you don't have PC Health Check installed, you can install it by going to https://aka.ms ...

Right click the network icon in the right side of the taskbar and select Diagnose network problems or open Get Help for Network & Internet. Make sure Wi‑Fi is turned on. Select the No internet icon on the right side of the taskbar, and make sure Wi-Fi is turned on. If it isn't, select it to turn it on. Also, make sure Airplane mode is turned off.

使用 Windows 照片应用管理照片和视频. Windows 11 Windows 10. 2022 年 10 月，Microsoft 推出了具有 iCloud 集成的更新版“照片”应用。. 用户现在可以选择使用新的“照片”应用或旧版，具体取决于他们的偏好。. 若要确定当前正在使用的“照片”应用版本，请执行以下 ...

In one or several formulas, you can use a cell reference to refer to: Data from one or more contiguous cells on the worksheet. Data contained in different areas of a worksheet. Data on other worksheets in the same workbook. For example: This formula: Refers to: And Returns: =C2.

Sometimes you need to check if a cell is blank, generally because you might not want a formula to display a result without input. In this case we're using IF with the ISBLANK function: =IF (ISBLANK (D2),"Blank","Not Blank") Which says IF (D2 is blank, then return "Blank", otherwise return "Not Blank"). You could just as easily use your own ...

Microsoft アカウントとして所有しているメール アドレスを使用するか、サインアップ時に [新しいメール アドレスを取得する] または [代わりにメールを使用する] を選択して新しいアドレスを作成できます。. Microsoft のメール アドレスは再利用されないため ...

尚未运行 Windows 11？ 请参阅激活 Windows或激活 Windows 7 或 Windows 8.1。. 尝试“激活疑难解答” 如果运行的是 Windows 11，并且最近更换了重要的硬件（如更换主板）或重新安装了 Windows，则“激活疑难解答”有可能帮助重新激活 Windows。

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.