Recall a message in Outlook on the web. Select Sent Items in the left folder pane, then double-click the sent message to open it in a separate window. From the ribbon, select Recall Message, then select OK in the confirmation dialog box. Shortly thereafter, you'll receive a Message Recall Report in your inbox.

Create an instant meeting. There are multiple ways to start an instant meeting. You can start one either through the Chat or Calendar feature. In Teams, you can do one of the following: From your Chat at the bottom of the screen, tap Meet at the upper-right corner of the screen > Meet now .

While composing a message, select the dropdown next to Send and select Schedule send. Select one of the default options, then select Send or choose a custom time and then select Send . After you select Send, the message remains in the Draft folder until the delivery time.

Import to Outlook app. Import contacts from a CSV file. Import email, contacts, and calendar from a PST file. Import contacts from an Excel spreadsheet. Import contacts from iCloud (vCard .VCF file)

Open a service request in the Microsoft 365 admin center. This service is free. Get help and support, whether you're shopping now or need help with a past purchase. Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

请确保将音频输入和输出分配给要用于群聊天的音频设备。 在 “群”小组件中，选择 “群”选项 … 按钮，然后选择“群”音频。 在“音频”输出和“音频”输入下，从选择下拉列表中选择音频设备。

Reduce the size of pictures and attachments in Outlook email messages. Send large files by using file sharing, cloud services, or other solutions for working around file size limits in Outlook.

向聊天室添加基于 Web 的应用程序. 根据组织确定的 Skype for Business 持久聊天使用方式，你可以访问基于 Web 的有用应用程序，并利用它们将聊天室打造成便于成员更高效地工作的场所。. 如果存在适合你的聊天室的基于 Web 的应用程序，“ 创建聊天室 ”窗口将 ...

Edit a photo. With the Photos app, you can easily crop, rotate, adjust look and feel, add a filter, and write or draw on your photo to communicate and provide context. In the search box on the taskbar, type Photos . From the list, select Photos . Then select the photo you’d like to change.

The Microsoft Mouse and Keyboard Center is an app that helps you make the most out of your Microsoft keyboard and mouse. Mouse and Keyboard Center helps you personalize and customize how you work on your PC. This app is not available for Windows S mode .