Cybercriminals typically pretend to be reputable companies, friends, or acquaintances in a fake message, which contains a link to a phishing website. Select the headings below for more information. Phishing is a popular form of cybercrime because of how effective it is. Cybercriminals have been successful using emails, text messages, and direct ...

You can turn Microsoft Defender Firewall on or off and access advanced Microsoft Defender Firewall options for the following network types: Domain (workplace) networks. Private (trusted) networks. Public (untrusted) networks. If you want to change a setting, select the network type you want to change it on.

Microsoft security help and learning. Smart App Control is a feature of Windows 11 that helps to block malicious, untrusted, or potentially unwanted apps from running on your device.

Fix Ethernet connection problems in Windows. Windows 10 Windows 11. A wired Ethernet connection lets you get a fast internet connection—plug one end of the Ethernet cable into your router at home, then plug the other end into the Ethernet port on your Windows PC. (If your PC doesn’t have an Ethernet port but you want to try this option, you ...

答复或转发电子邮件. Microsoft 365 专属 Outlook 更多... 收到一封邮件后，可对该邮件执行若干操作。. 若要仅回复发件人，请选择“ 回复 ”。. 若要回复原始发件人以及“收件人”和“抄送”行上的所有其他收件人，请选择“ 全部答复 ”。. 若要将邮件发送到不在 ...