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Install Skype for Business - Microsoft Support
Learn how to install Skype for Business on your Windows computer, mobile device, or Macintosh.
Applies To: Office for business, Office 365 Small Business, Microsoft 365 admin, Office.com, Skype for Business, Skype for Business Basic, Skype for Business for Android, Skype for Business for iPad, Skype for Business for iPhone, Skype for Business for Mac, Skype for Business for Windows Phone, Skype for Business Online
Microsoft Teams help & learning
Get help with your questions about Microsoft Teams from our how-to articles, tutorials, and support content.
Office Help & Training
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Your account settings are out-of-date in Mail or Calendar for Windows ...
Learn what to do if you receive a message in Mail or Calendar for Windows 10 that your account settings are out of date.
Applies To: Calendar for Windows 10, Mail for Windows 10
Outlook help & learning
Get help with Outlook for Windows, the Outlook app, Outlook.com, and more. Find training videos, how-to articles, and Outlook support content
How to correct a #N/A error in INDEX/MATCH functions
SOLUTION: To remove unexpected characters or hidden spaces, use the CLEAN or TRIM function, respectively. Also, verify if the cells are formatted as correct data types. You have used an array formula without pressing Ctrl+Shift+Enter. When you use an array in INDEX, MATCH, or a combination of those two functions, it is necessary to press Ctrl+Shift+Enter on the keyboard.
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 2013, Excel for Windows Phone 10
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.
Speech, voice activation, inking, typing, and privacy
Learn more about the privacy settings for speech, voice activation, inking, and typing in Windows.
Common problems with two-step verification for a work or school account ...
This content can help you with your work or school account, which is the account provided to you by your organization (for example, dritan@contoso.com).
在 Microsoft Edge 中管理 Cookie:查看、允许、阻止、删除和使用 - Microsoft 支持
获取有关 Windows 安全的帮助; 在 Microsoft Edge 中查看和删除浏览器历史记录; 删除和管理 Cookie; 重新安装 Windows 时安全移除有价值的内容
Applies To: Microsoft Edge