Why is my Internet connection so slow? - Microsoft Support
No matter how fast your Internet connection is, there are times when things will slow down to a crawl. This article will help you sort out what kinds of things can go wrong, learn what you can do about them, and discover how to get the most from your Internet connection.
Word for Windows training - Microsoft Support
Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.
Applies To:
Word for Microsoft 365, Word 2021, Word 2019, Word 2016, Office for business
SUMIFS function - Microsoft Support
Problem. Description. 0 (Zero) is shown instead of the expected result. Make sure Criteria1,2 are in quotation marks if you are testing for text values, like a person's name.. The result is incorrect when Sum_range has TRUE or FALSE values.. TRUE and FALSE values for Sum_range are evaluated differently, which may cause unexpected results when they're added. ...
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
Device encryption in Windows - Microsoft Support
Is it available on my device? BitLocker encryption is available on supported devices running Windows 10 or 11 Pro, Enterprise, or Education. On supported devices running Windows 10 or newer BitLocker will automatically be turned on the first time you sign into a personal Microsoft account (such as @outlook.com or @hotmail.com) or your work or school account.
安装 Microsoft Defender - Microsoft 支持
有时仅有效的安全工具并不那么有效。 你希望Microsoft Defender 始终watch你的背部，保护你免受你未预料到的恶意网站的影响。 为此，Defender 需要具有在后台运行的权限。 辅助功能服务. 为了确保要访问的网站未知为危险，Defender 需要能够看到该地址。
Applies To:
Microsoft Defender on Android, Microsoft Defender on iOS, Microsoft Defender on Mac, Microsoft Defender on Windows
Troubleshoot installing Office - Microsoft Support
The issues you encounter when trying to install Microsoft 365, or Office 2021, 2019, or 2016 and how you fix them depends on whether your product is part of an Office for home or Office for business plan.. In addition, with Office for business plans only admins responsible for managing Microsoft 365 in their organization can do certain tasks. Therefore, admins should view the issues and ...
Applies To:
Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Office 2016, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Microsoft 365 for Mac
Windows help and learning
Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.
Contact us | Xbox Support
Need help with an Xbox console, an Xbox game, or Xbox network? Find out how to get in touch with us.
Microsoft Traditional Chinese IME - Microsoft Support
At this state. Press this key. To do this. Before focus enters the candidate window. Down arrow Enter the candidate window. Up arrow. Change to another candidate without opening the candidate window.
Download the new Microsoft Edge based on Chromium
The new Microsoft Edge is based on Chromium and was released on January 15, 2020. It is compatible with all supported versions of Windows, and macOS. With speed, performance, best in class compatibility for websites and extensions, and built-in privacy and security features, it's the only browser you'll ever need.