How to spot a "fake order" scam - Microsoft Support
Always check the sender's email address and confirm that it makes sense for the message you've received. 2. To whom it may concern. If they don't know your name, they can't withdraw any funds from your bank account.
Avoid and report Microsoft technical support scams
Microsoft will never proactively reach out to you to provide unsolicited PC or technical support. If you receive a phone call claiming to be from Microsoft, or see a pop-up window on your PC with a fake warning message and a phone number to call and get your "issue" fixed, it's better to be safe and not click any links or provide any personal information.
Register the password reset verification method for a work or school ...
Set up your password reset verification method. Open the web browser on your device and go to the Security info page. Security info Depending on how your administrator has set up your organization, one or more of the following options will be available for you to set up as your security verification method.
下载并安装或重新安装 Office 2019、Office 2016 或 Office 2013
如果这是你第一次安装 Microsoft 365,则可能需要先执行一些设置步骤。展开下面的 “了解详细信息”部分。 但是如果是重新安装 Microsoft 365,且已兑换了产品密钥并拥有与 Microsoft 365 相关联的帐户,请转到“登录并安装 Office”的部分。
Applies To:
Office 2019, Office 2016, Office 2016 for Mac, Office 2013