Windows 10 and Windows 11 in S mode FAQ - Microsoft Support
About Windows 11 in S mode. Windows 11 in S mode is a version of Windows 11 that's streamlined for security and performance, while providing a familiar Windows experience.
Change your background in Microsoft Teams meetings
Explore tips to change your Microsoft Teams background. Learn how to replace, blur, or change your Teams background image before or during a meeting.
Applies To:
Microsoft Teams
Add pictures or attach files to email messages in Outlook
It's easy to attach pictures, files, and other items to your Outlook messages. Outlook keeps track of the documents you’ve recently worked on, whether they're stored on your computer or saved in OneDrive (cloud only).
Applies To:
Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Outlook on the web, Outlook.com, New Outlook for Windows
Microsoft Bing help - Microsoft Support
Explore subscription benefits, browse training courses, learn how to secure your device, and more.
Device protection in Windows Security - Microsoft Support
Learn how to access Windows device security settings in Windows Security to help protect your device from malicious software.
Keyboard shortcuts to add language accent marks in Word and Outlook ...
Learn how to use keyboard shortcuts in Word to add accent marks, special characters, symbols, and more.
Applies To:
Word for Microsoft 365, Outlook for Microsoft 365, Word 2021, Outlook 2021, Word 2019, Outlook 2019, Word 2016, Outlook 2016
在 Excel 中将 IF 与 AND、OR 和 NOT 函数配合使用 - Microsoft 支持
如何将 IF 函数 (与 Excel 中) AND、OR 和 NOT 函数结合使用，以在给定值之间进行逻辑比较。
Applies To:
Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016, Excel Web App, Excel for Windows Phone 10
Which version of Windows operating system am I running?
Learn how to find which version of Windows operating system your PC is running and device specifications.
Tips to improve PC performance in Windows - Microsoft Support
Learn how to improve Windows PC performance if your device is running slowly.
How to use multiple monitors in Windows - Microsoft Support
Learn how to connect your Windows PC to external monitors and adjust the display settings.