Let's take a good look at the clues in this example that pretends to be a subscription confirmation to Norton LifeLock. 1. The sender address. The sender's email address is often the first clue that the message is a fake. In this example they haven't even tried to make it look real.

If you can't sign into your Microsoft account, most issues can be identified by our sign-in helper tool. The tool will ask you to enter the email address or mobile phone number you're trying to sign in with and check the details you provide.

Add, remove or update an email address or phone number. If you want to make changes to the email addresses or phone numbers associated with your Microsoft account, use our guided support tool below to help you update the right information in the right way.

Block or unblock senders in Outlook. You can block messages from specific email addresses or domains from reaching your inbox. When you add an email address or domain to your blocked senders list, Outlook automatically moves messages from that sender to the Junk Email folder.

Go to the Microsoft account sign-in page at https://account.microsoft.com and enter your email address. If you see a message that says "We couldn't find an account with that username." or "That Microsoft account doesn't exist", then the address you entered is not a Microsoft account. If you believe it should be:

Use the Microsoft Authenticator app to sign in securely without a password. Learn why you received a notification about unusual activity in your account and what to do next.

Change or reset your Windows password. Accessing the account of someone who has died. Learn how to reset or change your Microsoft account password. Get help with a forgotten Microsoft account password.

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.

如果忘记了密码，如果密码已自动填充，或者显示“ 忘记密码”链接，则可以从提供商的网站重置密码，你可以使用该链接创建新密码。 转到提供商的电子邮件网站。 如果不确定提供商是谁，请查看域名，了解电子邮件地址中 @ 符号后面的内容。

大多数电子邮件应用（如 Outlook ）可自动配置电子邮件服务器设置。. 如果需要服务器设置或需要查找服务器设置的帮助，请单击以下链接之一：. Hotmail、Outlook.com 或 Microsoft 365 商业版电子邮件帐户的服务器设置. 查找 Exchange ActiveSync 邮箱服务器设置. Gmail、Yahoo ...