Sign in to SharePoint - Microsoft Support
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.
Applies To: SharePoint in Microsoft 365
Block or unblock external content in Office documents
Learn how to protect your security and privacy by blocking or unblocking external content, such as images, media, hyperlinks, and data connections, in Office files. See how to change settings for data connections, workbook links, and linked data types in Excel.
Applies To: Excel for Microsoft 365, Word for Microsoft 365, PowerPoint for Microsoft 365, Excel for the web, Excel 2024, PowerPoint 2024, Excel 2021, Word 2021, PowerPoint 2021, Excel 2019, Word 2019, PowerPoint 2019, Excel 2016, Word 2016, PowerPoint 2016
Fix printer connection and printing problems in Windows
Learn how to troubleshoot common printer issues in Windows 11, 10, 8.1 and 7. Follow the steps to check cables, wireless connection, printer driver, print spooler and printer status.
Send feedback to Microsoft with the Feedback Hub app
Learn how to use the Feedback Hub app to report problems or suggest features for Windows 11 or Windows 10. You can search, upvote, or add new feedback, and attach screenshots or recordings to help Microsoft improve your Windows experience.
Request a refund for digital games | Xbox Support
Learn how to get a refund for digital game products purchased from the Microsoft Store or Xbox apps. Find out the eligibility criteria, guidelines, and resources for refund requests.
Find my downloads in Windows 10 - Microsoft Support
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.
Internet Explorer mode in Microsoft Edge - Microsoft Support
Learn how to use Internet Explorer mode in Microsoft Edge to view sites that require Internet Explorer compatibility. Follow the steps to turn on, reload and leave the mode in Edge.
SharePoint help & learning
Learn how to use SharePoint, a collaborative platform for teamwork and document management. Find out how to create sites, manage content, share information, and connect your organization with hub sites.
Zip and unzip files - Microsoft Support
Learn how to create, rename, extract, and add files or folders to zipped (compressed) files in Windows 10 or 8.1. Zipped files take up less storage space and can be transferred more quickly than uncompressed files.
激活 Windows - Microsoft 支持
若要在 Windows 11 中检查激活状态,请选择“开始 ”按钮,然后选择“设置 > 系统 ” ,然后选择“激活 ”。 。 激活状态将在“激活”旁边列出。 在“设置”中检查激活状态. 你将在“激活”页面上看到以下一条激活状态消息: