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 ...

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 ...

If you feel like you’ve been the target of a technical support scam, you can help Microsoft stop cybercriminals by reporting it. Learn more about avoiding technical support scams.

在开始之前，请确保电脑或 Mac 满足 系统要求 。. 如果你已兑换产品密钥，只需重新安装应用，或者知道你已通过工作或学校分配了许可证，则可以跳到登录部分 ，下载并安装 Microsoft 365 或 Office 。. 但是，如果是 首次 安装 Microsoft 365 或 Office，可能需要先执行 ...

If you bought a physical item from the Microsoft Store, and we're shipping it to you, you can check the status on the order history page. Tip: If you didn't sign in and used Guest Checkout when you created your order, use the Guest Order Lookup instead.

SUMIF. 函数语法具有以下参数：. 范围 必需。. 希望通过标准评估的单元格范围。. 每个范围内的单元格必须是数字或名称、数组或包含数字的引用。. 空白和文本值将被忽略。. 选定的范围可以包含标准Excel格式的日期（如下例）。. criteria 必需。. criteria 以数字 ...