Learn how to access SharePoint, a browser-based app for online collaboration and document management, through your web browser. Find out how to check your subscription, troubleshoot issues, and get training for SharePoint.

Learn how to register your security info and mobile device to reset your work or school password. Find out the common problems and solutions for using the password reset feature.

Learn how to access Teams on the web with a Microsoft 365 account and a supported browser. Find the web app at https://teams.microsoft.com and review the latest browser prerequisites.

Learn how to use the Feedback Hub app to send feedback to Microsoft about Windows 11 or Windows 10 problems or suggestions. Find existing feedback, add new feedback, attach screenshots or recordings, and see the status of your feedback.

Learn how to troubleshoot common printer issues in Windows 11, 10, 8.1 and 7. Follow the steps to check cables, wireless connection, driver, spooler and more.

Learn how to locate your downloaded files on your PC using File Explorer or your browser settings. Follow the steps to access your Downloads folder under Quick access or This PC.

Learn how to open files from different locations and search for your file using the Open tab on the File menu. Find out how to customize the list of recently used files, access files from Microsoft 365 Groups or SharePoint Online, and bypass the File menu.

Learn how to protect your security and privacy by blocking or unblocking external content, such as images, media, hyperlinks, and data connections, in Word and Excel files. See how to change the Trust Center settings and what to do when a security warning appears.

Learn about the latest updates for Windows 11, version 21H2, released on 10/4/2021. Find out what's new, how to install, and any known issues for this version of Windows.

注意: 如果使用 Microsoft 帐户 （例如 Outlook.com 、Hotmail、Live 或 MSN 电子邮件帐户）而不是工作或学校帐户登录，请注销，然后使用正确的帐户重新登录。 不确定使用哪个帐户登录？ 在 Outlook 导航标头中选择 “帐户管理员 ”。 如果未使用所需帐户登录，请选择“ 注销 ”并重新开始该过程，或选择 ...