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A phishing email is an email that appears legitimate but is actually an attempt to get your personal information or steal your money. Some deceptive emails appear to be from a safe sender but, in fact, have a "spoofed" source address to fool you. Here are some ways to deal with phishing and spoofing scams in Outlook.com. Spoof intelligence in Exchange Online Protection helps prevent phishing ...

Find out what to do when you receive a “Call us overprotective” message when signing in to Xbox.com.

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Want to add a padlock to your email messages? You can use encryption and digital signatures in new Outlook, classic Outlook, and Outlook on the web for work or school accounts to increase the security of messages. Encrypting an email message in Outlook means it's converted from readable plain text into scrambled cipher text. Only the recipient who has the private key that matches the public ...

添加或邀请组织外部使用 Teams 的人员加入群组聊天 在群组聊天中与最多 250 人聊天。 组织外部的参与者必须使用 Teams 或 Teams 免费版。 开始新的群组聊天并添加参与者 在 Teams 的左侧，选择“ 聊天 ”，然后选择“ 新建聊天 ”以开始新的聊天。 键入要邀请其聊天的人员的电子邮件地址、组或标记 ...