What is: Multifactor Authentication - Microsoft Support
How does multifactor authentication work? Let's say you're going to sign into your Microsoft account or work or school account, and you enter your username and password.If that's all you need then anybody who knows your username and password can sign in as you from anywhere in the world!
Contact - Microsoft Support
Contact Microsoft Support. What's new. Surface Pro; Surface Laptop; Surface Laptop Studio 2
I can't send or receive messages in Outlook - Microsoft Support
On the Outlook status bar, if you see Disconnected, Working Offline, or Trying to connect…, then Outlook can't reach the email server to send your mail.. To fix this problem, on the ribbon, select the Send/Receive tab, then, in the Preferences group, select Work Offline to toggle between offline mode and online mode.You may need to open the message and send it again or choose Send/Receive.
Applies To:
Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Outlook 2013, Microsoft 365 admin
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.
Microsoft Teams (free) - Microsoft Support
Connect with friends, family, and coworkers in Teams. Stay organized and connected with friends, family, and coworkers all from one app. Get started
Applies To:
Microsoft Teams, Microsoft Teams personal, Microsoft Teams small business
Automatically fix Windows security issues - Microsoft Support
Follow these steps to automatically diagnose and repair Windows security problems by turning on UAC, DEP protection, Windows Firewall, and other Windows security options and features.
Faster and more secure Wi-Fi in Windows - Microsoft Support
Tip: You can also check to see what your network adapter supports by opening the Command Prompt (or Terminal), and then typing the command netsh wlan show drivers.Look next to Radio types supported and see if it includes 802.11be (for Wi-Fi 7) or 802.11ax (for Wi-Fi 6/6e) and look under Authentication and cipher supported in infrastructure mode and see if it includes WPA3 Personal and WPA3 ...
Account help
Microsoft account help and support. Get help with signing in, locked or compromised accounts, linked accounts, closing, reopening, and updating your security info and account profile.
Find or fix a device in your Microsoft account
To check for any security issues, go to Windows Defender settings, select Show details, and check your security status.
在 Windows 中管理输入和显示语言设置 - Microsoft 支持
若要切换正在使用的键盘布局，请按住 Windows 键，然后重复按 空格键 以循环浏览所有已安装的键盘。 （如果此操作无效，说明仅安装了一种键盘。） 还可以在任务栏中选择语言缩写，然后选择要使用的语言或输入法。