To check for any security issues, go to Windows Defender settings, select Show details, and check your security status.

使用较新版本的 Outlook，可以将 Gmail 帐户添加为 IMAP 帐户，无需设置双重身份验证，也无需应用密码。 但是，为了提高帐户安全性，建议为 Gmail 帐户启用双重身份验证。 这在你输入密码后，通过请求你输入手机中的代码进行身份验证，从而增加了额外的安全层。

Note for iPhone: If you are having trouble with your iPhone import, make sure your device is unlocked and you’ve accepted the permissions. Note for Android and other devices: If you’re using an Android phone or other device and import isn’t working, you might need to change your phone’s USB settings from Charging over USB to Transfer Files or Transfer Photos.

如何激活预安装在新 Windows 10 计算机上的 Office 或使用新的产品密钥。

A Microsoft 365 group is different from a contact group (formerly called a distribution list). A contact group is a set of email addresses that you can use to send an email message or meeting invitation to everyone at once.

Need help with an Xbox console, an Xbox game, or Xbox network? Find out how to get in touch with us.

Use the People page to create, view, and edit contacts, contact lists, and groups. Create new contacts from scratch, or add someone as a contact from their profile card.

Check the Archive folder. If you've archived a message, it won't appear in your inbox. Make sure the missing message isn't in your Archive folder.If you want to move an archived message back to your inbox, select the message and then select Move to > Inbox. If you're using the Outlook for iOS or Outlook for Android apps or a mobile browser, go to the Archive folder, select the message and ...

In the To, Cc, or Bcc boxes, enter the recipients' email address or names.. As you start typing a recipient's name, Outlook will suggest the names of people you've emailed before. Those you've emailed most recently will be listed as Suggested contacts.You can pick a name from the list, type a full name or email address, or select the To, Cc, or Bcc button to see more options.

当在新设备中首次启动 Windows 10 时，设备上已安装的防病毒保护程序即是你的默认安全应用。但是，Windows 安全中心已预安装并可随时使用。