Learn how to join a Microsoft Teams meeting if you don't have an account. Join a Teams meeting as a guest in the Windows app or on the web.

Know your limits Many email service providers set limits for the number of names that can be included in the To, Cc, and Bcc boxes in a message. For example, your email service provider may limit each message to a maximum of 100 email addresses. If these addresses are distributed among the To, Cc, and Bcc boxes, remember that the names in the Bcc box will count toward your total limit.

Windows 11, version 23H2 ; July 25, 2024—KB5040527 (OS Builds 22621.3958 and 22631.3958) Preview; July 9, 2024—KB5040442 (OS Builds 22621.3880 and 22631.3880)

提示: 如果要绕过“文件”>“打开”并始终使用“打开”对话框，请执行此操作：选择“文件 > 选项 > 保存”，然后选择“打开或保存文件时不显示 Backstage”框检查。然后，关闭所有打开的 Office 应用程序再重新打开。 请注意，此更改仅影响按 Ctrl+O 访问“打开文件”对话框时看到的内容。

Note: If you're using the default app bar configuration in the Microsoft Teams desktop app, use the commands in the table below.If you've changed the order of your apps or added additional apps, the command depends on the app's sequential order on the app bar. For example, if you've moved Calendar to the top of the app bar, press Ctrl+1 to open it, not Ctrl+4.

Learn more about updates for Windows 10 version 1903, including improvement and fixes, any known issues, and how to get the update.

Dans la zone de recherche située à côté du bouton Démarrer dans la barre des tâches, tapez panneau de configuration.Sélectionnez Panneau de configuration dans la liste des résultats.

Go to Bluetooth & devices > Printers & scanners > select a printer.Then select Set as default. If you don't see the Set as default option, the Let Windows manage my default printer option may be selected.You'll need to clear that selection before you can choose a default printer on your own. Open Printers & scanners

Add-ins provide optional commands and features for Microsoft Excel. By default, add-ins are not immediately available in Excel, so you must first install and (in some cases) activate these add-ins so that you can use them. Some add-ins are built in to Excel, such as Solver and the Analysis ToolPak. Some other add-ins are available from the Download Center, and must first be downloaded and ...

On the Home tab, in the Number group, click the arrow next to the General box, and then click More Number Formats.