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.

Contact Support. For technical support, go to Contact Microsoft Support, enter your problem and select Get Help. If you still need help, select Contact Support to be routed to the best support option. Learn how to manage your Microsoft account security info and troubleshoot verification code issues.

Post questions, follow discussions and share your knowledge in the Outlook.com Community. Hotmail is now Outlook.com. Learn how to sign in to access your Outlook.com, Hotmail, Live, or MSN email account.

If you create a Microsoft 365 group in Outlook or People, you automatically get a team site in SharePoint in Microsoft 365. For more on creating team sites, see Create a team site in SharePoint Online. If you have site owner permissions with SharePoint Server 2016 select Sites, and then select + new site or + new.

Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.

Find PowerPoint help and training from Microsoft. Get answers to your questions, and learn from how-to articles and training videos for PowerPoint.

How to earn Microsoft Rewards points. It’s easy to rack up Microsoft Rewards points and earn your way toward great rewards like gift cards, movies, games, nonprofit donations, and more. Stay signed in with your Microsoft account and you'll earn points for doing the things you already do.

Get help and support for Microsoft Edge. Find Microsoft Edge support content, how-to articles, tutorials, and more.

When you receive an invite to a meeting, you can join from your Teams calendar. If someone sends you a meeting invite in Chat, select the link > Join now. In Teams, select Calendar to see your meetings. Find the meeting you want to attend and select Join.

在 Excel 中，IF 函数允许通过测试某个条件并返回结果（如果该条件为 True 或 False），在值和预期值之间进行逻辑比较。. =IF（内容为 True，则执行某些操作，否则就执行其他操作）. 但如果需要测试多个条件，例如我们假设所有条件都需要为 True 或 False ( AND )，或 ...