在Outlook中，你可以為電子郵件建立一個或多個個人化簽名。 你的簽名可以包含文字、連結、圖片和圖片 (，例如你的手寫簽名或標誌) 。

How to create or edit your Outlook signature for email messages. Include your signature, text, images, electronic business card, and logo.

Certificate authority (CA) A certificate authority is an entity similar to a notary public. It issues digital certificates, signs certificates to verify their validity and tracks which certificates have been revoked or have expired. Top of Page Digital signature assurances The following terms and definitions show what assurances are provided by digital signatures. Authenticity The signer is ...

Related articles Contact support and provide feedback in new Outlook for Windows Get in-app help for Outlook for iOS and Android

A phishing email is an email that appears legitimate but is actually an attempt to get your personal information or steal your money. Some deceptive emails appear to be from a safe sender but, in fact, have a "spoofed" source address to fool you. Here are some ways to deal with phishing and spoofing scams in Outlook.com. Spoof intelligence in Exchange Online Protection helps prevent phishing ...

As you're getting your Microsoft 365 business subscription set up, you'll want to download and install your Microsoft 365 apps, like Word, Excel, Microsoft Teams, and PowerPoint, on your PC or Mac.

Learn how to sign in and create app passwords for Microsoft apps and devices that don't support two-step verification.

Microsoft 應用程式和服務 是一種常見的驗證應用程式，可將 Microsoft 的多個 App 和服務與您的電子郵件提供者連結。 我們會這麼做，讓您的體驗在所連接的不同 Microsoft 應用程式中保持一致。

What's the difference between a paid Microsoft 365 subscription and the free web apps? If you signed in to Microsoft365.com with your Microsoft account and you see a Free or Subscribed badge, you may wonder what that means.

如果您購買了 Microsoft 365 應用程式的獨立版本，例如 Visio 或 Word，在大部分情況下，您會以安裝 Microsoft 365或 Office 套件的方式安裝此應用程式，方法是使用 Microsoft 帳戶登入 m365.cloud.microsoft/apps ，或 公司或學校帳戶 ，然後針對獨立產品選取 [安裝]。