Select the Microsoft 365 App Launcher, and then select Excel. Select New blank workbook , open a Recent file, or select one of the templates. Tip: Once signed in, type excel.new in the address bar of your favorite browser to create a new blank workbook and get started.

若要申请退款，需要登录用于购买的 Microsoft 帐户，并提供所购买内容的名称、订单编号以及需要退款的原因。. 可以联系 aka.ms/contactxboxsupport 以获取退款申请和其他支持。. 有关 Xbox 实物产品（如光盘游戏和控制器）和其他 Microsoft 产品的详细信息，请参阅 ...

Select the cell in the worksheet where you want the drop-down list. Go to the Data tab on the Ribbon, and then Data Validation. Note: If you can’t select Data Validation, the worksheet might be protected or shared. Unlock specific areas of a protected workbook or stop sharing the worksheet, and then try step 3 again.

Find your Office product key. Office 365 Office 2019 Office 2016 Office 2013. Many tasks for Office products don't require a product key because your Microsoft account takes care of them instead. Using product keys with Office.

在"安全性"选项卡上，选择"自定义级别"，ActiveX控件和插件"下，执行下列操作之一： 通过选择"启用"ActiveX自动提示控件。 允许 Internet Explorer" 启用"，在不使用外部媒体播放器的网页上显示 视频和动画。如果希望Internet Explorer，ActiveX"启用"或"提示"来下载已签名的控件。

Приложение "Сканер Windows" позволяет сканировать изображения и документы и сохранять их на компьютере как JPEG-, PNG-файлы или растровые изображения. Дополнительные сведения см. в этой Windows ...

如果文件资源管理器不能打开或启动，进行修复. 注意: 文件资源管理器工具与 Microsoft Edge 不同。. 若要打开 Microsoft Edge，请在任务栏上的搜索框中键入 Microsoft Edge ，然后从结果中选择它。. 若要在Windows 11中打开文件资源管理器，请在任务栏上选择“文件资源 ...

On the Tools menu, click Internet Options, and then click the Content tab. Click Certificates, and then click the Personal tab. Important: If you digitally sign a document by using a digital certificate that you created, and then you share the digitally-signed file, other people cannot verify the authenticity of your digital signature without ...

Open the Teams desktop app on your Windows device. Turn on the Try the new Teams toggle at the top of Teams. Select Get it now from the pop-out dialogue. The new Teams will start installing. Your Teams app will reboot to open the new Teams. Any subsequent actions you take will happen in the new Teams by default, like joining a Teams meeting ...

Magnify your screen. Magnifier enlarges part or all of your screen so you can see words and images better. To open Magnifier quickly, press the Windows logo key + Plus sign (+). When Magnifier is open, use Windows logo key + Plus sign (+) or Windows logo key + Minus sign (-) to zoom in or out. To close Magnifier, press Windows logo key + Esc.