Important: you should limit the number of administrators on your Windows device because administrators have complete control over the system.Administrators can change settings, install software, and access all files. If too many people have this level of access, it could lead to security risks like malware installation or unwanted changes to your system.

Tip: If your can't get the code by email or phone, you might be able to enter an email address that's different from the one you're trying to recover. Go to the Recover your account page and follow the prompts.

Microsoft サポートにお問い合わせください。一般的な問題の解決策を見つけるか、サポート エージェントからサポートを ...

若要在 Windows 11 中检查激活状态，请选择“开始 ”按钮，然后选择“设置 > 系统 ” ，然后选择“激活 ”。 。 激活状态将在“激活”旁边列出。 在“设置”中检查激活状态. 你将在“激活”页面上看到以下一条激活状态消息：

Roaming of the work account's device certificate is not supported. The certificate, issued by "MS-Organization-Access", is stored in the Personal (MY) certificate store of the current user and on the local machine.

Para obter suporte no Outlook.com, clique aqui ou selecione Obter Ajuda na barra de menus e introduza a sua questão. Se a ajuda automática não resolver o seu problema, desloque-se para baixo até Ainda precisa de ajuda? e selecione Sim.. Para nos contactar em Outlook.com, terá de iniciar sessão.

Invisible digital signatures in Word, Excel, or PowerPoint. An invisible digital signature, like a visible digital signature line, assures the authenticity, integrity, and origin of a document.

Connecting to the internet when you’re setting up your Windows 10 or 11 PC ensures you get the latest features and security updates. You’ll need an internet connection to finish setting up a device running Windows 10 Home or Windows 11 Home / Pro.

Whether it’s a new job title (congratulations!) or a phone number change, make sure you keep your email message signature up-to-date. If you're using new Outlook, for more information about email signatures, or if you haven’t created one yet, see Add a signature to messages.. Select File > Options > Mail > Signatures.

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。