Activate Windows - Microsoft Support
Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.
Improve accessibility with the Accessibility Checker
Before you send an Outlook email message or share a Word document, Excel spreadsheet, PowerPoint presentation, or OneNote notebook, run the Accessibility Checker to make your content easier for people with disabilities to read and edit.
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
April 9, 2024—KB5036893 (OS Builds 22621.3447 and 22631.3447)
Windows 11, version 22H2; July 25, 2024—KB5040527 (OS Builds 22621.3958 and 22631.3958) Preview; July 9, 2024—KB5040442 (OS Builds 22621.3880 and 22631.3880)
Windows 10 update history - Microsoft Support
Learn more about updates for Windows 10 version 1903, including improvement and fixes, any known issues, and how to get the update.
Microsoft Teams help & learning
Get help with your questions about Microsoft Teams from our how-to articles, tutorials, and support content.
Create a workbook in Excel - Microsoft Support
Training: Learn how to create a spreadsheet, enter data, and create a chart in Excel.
Applies To:
Excel for Microsoft 365, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2016
Use @mentions to get someone's attention in Outlook for Windows
To capture someone's attention in an email or meeting invite, type the @ symbol followed by their name within the message or invite. Doing so will highlight their name and prompt Outlook to add them to the To line, ensuring they notice, and add the @ symbol next to their message in the Inbox.
Applies To:
Outlook for Microsoft 365, Outlook 2021, Outlook 2019, New Outlook for Windows
How reserved storage works in Windows - Microsoft Support
Learn how reserved storage works in Windows to conserve disk space for temporary files, caches, and other files.
在 Microsoft Edge 中打印 - Microsoft 支持
Microsoft Edge 中的打印过程非常简单，可通过多种方式完成。 使用键盘快捷方式： 在 Windows 上按 Ctrl + P 或在 Mac 上 按 Command + P 打开打印对话框。
KB5020683: Out of Box Experience update for Windows 10, version 2004 ...
Summary. On November 30, 2022, an out-of-band update was released to improve the Windows 10, version 2004, 20H2, 21H1, 21H2, and 22H2 out-of-box experience (OOBE).