Type the email address of the other mailbox that you want to open and then select Open.Or, start typing and then select Search contacts and directory to find the mailbox you want to open. Select the shared mailbox you want to open, and then select Open.Another Outlook Web App session opens in a separate window, allowing access to the other mailbox.

Microsoft 365 is our cloud-powered productivity platform. With a subscription to Microsoft 365, you can get: The latest productivity apps, such as Microsoft Teams, Word, Excel, PowerPoint, Outlook, OneDrive, and so much more.

Similar to having an assistant that helps you manage your incoming paper mail, another person, known as a delegate, can receive and respond to email messages and meeting requests and responses on your behalf.

Certificate authority (CA) A certificate authority is an entity similar to a notary public.It issues digital certificates, signs certificates to verify their validity and tracks which certificates have been revoked or have expired.

中国的身份验证方法. 中国仅提供有限的身份验证方法。 用户可以将 Authenticator 设置为在其设备上接收可用于验证其身份的验证码，而不是使用推送通知进行双重验证。

Learn common SharePoint Online tasks with these videos and tutorials, and get links to more training for SharePoint and Office 365.

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 ...

新しい Microsoft Edge は、すべての InPrivate ウィンドウを閉じると、閲覧履歴、Cookie、サイト データ、パスワード、アドレス、フォーム データを削除します。 InPrivate ウィンドウは、さまざまな方法で開くことができます。 タスク バーの Microsoft Edge ロゴを長押し (右クリック) し、[新しい InPrivate ...

注意: 如果你有当前版本的 Microsoft 365，则可在输出区域的左上角单元格中输入公式，然后单击 ENTER 以确认公式为动态数组公式即可。 否则，必须首先选择输出区域，在输出区域的左上角单元格中输入公式（公式必须作为遗留的数组公式进行输入），然后按 CTRL+SHIFT+ENTER 进行确认。

We've made it easier to keep Windows current with the latest features and improvements—and with fewer interruptions and restarts when you're using your PC the most.