Sign in with Microsoft
Sign in or create an account.
Hello,
Select a different account.
You have multiple accounts
Choose the account you want to sign in with.
Office Help & Training
We would like to show you a description here but the site won’t allow us.
Windows 10 update history - Microsoft Support
Windows 10, version 2004 and Windows Server, version 2004 update history; End of service statement; December 14, 2021—KB5008212 (OS Builds 19041.1415, 19042.1415, 19043.1415, and 19044.1415)
通过电脑发送和接收短信 - Microsoft 支持
如果在使用消息时遇到问题,这些疑难解答提示可能会有所帮助。 将媒体添加到对话. 消息框下方有三个按钮,可帮助你在消息中插入内容。 表情符号按钮和 gif 按钮会打开一个菜单,你可以在其中快速搜索所需内容。
在 Microsoft Edge 中打印 - Microsoft 支持
选择要打印每页的页数: 在一张纸上打印多页是一种有用的技术,可节省纸张、降低打印成本并创建文档的紧凑版本。 可在单张纸上打印的页数取决于打印机的功能和所选打印选项 (示例:每张) 1、2、4、6、9 或 16 页。
Skype help & learning
Skype help & learning. Limited emergency calling Skype is not a replacement for your telephone and has limited emergency calling capabilities depending on your country.
Microsoft Edge 帮助和学习
获取 Microsoft Edge 的帮助和支持。 查找 Microsoft Edge 支持内容、操作方法文章、教程等。
Improve accessibility with the Accessibility Checker
Apply recommended actions. In the Accessibility pane, you'll see a list of errors and warnings, with how-to-fix recommendations for each.. To quickly correct the issues, apply one of the recommended actions. For more information on how the findings are categorized, see Rules for the Accessibility Checker. In the Accessibility pane, select an issue under Warnings or Errors.
Applies To: Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, OneNote for Microsoft 365, Visio Plan 2, Excel for Microsoft 365 for Mac, Word for Microsoft 365 for Mac, Outlook for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac, OneNote for Microsoft 365 for Mac, Excel for the web, Word for the web, OneNote for the web, PowerPoint for the web, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Visio Professional 2021, Visio Standard 2021, OneNote 2021, Excel 2021 for Mac, Word 2021 for Mac, Outlook 2021 for Mac, PowerPoint 2021 for Mac, OneNote 2021 for Mac, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Visio Professional 2019, Visio Standard 2019, Excel 2019 for Mac, Word 2019 for Mac, Outlook 2019 for Mac, PowerPoint 2019 for Mac, OneNote 2019 for Mac, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, OneNote 2016, Visio Professional 2016, Visio Standard 2016, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Small Business Admin, Office 365 operated by 21Vianet - Admin
Make older apps or programs compatible with Windows
Change the application's high-DPI scaling mode. In the High DPI scaling override area, select Override high DPI scaling behavior, and then try one of the following options:. Application – Disable all Windows scaling settings and only use the app developer's setting. This option was called Disable display scaling on high DPI settings in previous versions of Windows.
Microsoft Edge help & learning
Experience AI-powered browsing with the new Bing built-in. Get comprehensive answers, summarized information, and find inspiration side-by-side in Microsoft Edge.
Changes to Microsoft 365 email features and storage
Important: If you exceed your Microsoft storage: you won’t be able to upload, edit, or sync new files (such as Camera Roll) to your OneDrive,
Applies To: Outlook.com, Microsoft account dashboard, Microsoft Teams personal, OneDrive (home or personal), OneDrive for Mac, OneDrive for Windows