A popular tactic of criminals is the "fake order" scam. The way it works is that you get a message, usually in email or text, that appears to be a routine confirmation for an order. Of course, you never ordered whatever product or service it's confirming. The message looks common enough, and it says that money will be charged to your credit card or withdrawn from your bank account for the ...

Find the official Microsoft licensing terms for Xbox and gaming applications for mobile devices and iPads.

To report an email as phishing or junk: Select the email you want to report. Tap ⋮ at the top right of the screen. Select Report Junk from the dropdown menu. Select Junk, Phishing, or Block Sender as needed.

Certificate authority (CA) A certificate authority is an entity similar to a notary public. It issues digital certificates, signs certificates to verify their validity and tracks which certificates have been revoked or have expired. Top of Page Digital signature assurances The following terms and definitions show what assurances are provided by digital signatures. Authenticity The signer is ...

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 ...

Learn how to protect your PC, identity, and data from tech support scams.

Learn how to secure your family’s Xbox profiles.

什么是敏感度标签？ 敏感度标签可手动或自动应用于文件，使其符合组织的信息保护策略。 敏感度标签指示 的分类，并且可以对文件应用保护。 组织自定义标签名称和说明。 请联系组织的 IT 部门，了解有关要应用哪些标签以及何时应用的其他信息。 敏感度标签将发布到用户而不是站点或邮箱等 ...

Learn how to request refunds for Xbox purchases, including eligibility requirements and the process for submitting a refund request.

Use your mobile device to unlock or edit a file that another user has locked for editing.