Sign in to SharePoint. SharePoint is a browser-based app that you connect to through your web browser, like so: Go to office.com, and sign in to your work or school account. In the upper left corner of the window, select the app launcher > All apps > SharePoint.

Add, find, edit, or delete a contact in Outlook. Manage contacts in Outlook. Contact groups, or distribution lists, are a fast way to send a message to multiple email recipients, especially groups you repeatedly contact.

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

Wirelessly connect your PC to a TV, projector, another PC, or other kind of external display that supports Miracast. Turn on your TV or projector. If you're using a Miracast dongle or adapter, make sure it's plugged in to the display. On your PC, make sure Wi-Fi is turned on.

View email messages by conversation in Outlook for Mac. View your Outlook email messages arranged by conversations to see messages that share the subject line grouped together.

Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

If no unselected sheet is visible, right-click the tab of a selected sheet, and then click Ungroup Sheets on the shortcut menu. When an Excel worksheet spans more than one page, you can print row and column headings (also known as headers or labels) on every page.

For more help, contact support or ask a question in the Microsoft Teams Community. Get started with Microsoft Teams (free). Explore your options, find out what’s new, browse help topics, and more.

其实用查找函数很容易做到。. VLOOKUP 和 HLOOKUP 函数，以及 INDEX 和 MATCH 是 Excel 中一些最有用的函数。. 注意: Excel 中不再提供“查找向导”功能。. 下面是如何使用 VLOOKUP 的示例。. =VLOOKUP (B2,C2:E7,3,TRUE) 在此示例中，B2 是第一个 参数 ，即函数运行所需的数据元素 ...

With PowerPoint for the web you create presentations right in your browser. Create and save your presentations in your OneDrive, and edit and share them online. You don’t need any additional software and you don’t have to install anything. Here’s how to get started: Go to Office.com. Click PowerPoint.