摘要 Email 簽名能在你的商業溝通中建立專業一致性，並確保收件人在每則訊息中都擁有你的聯絡資訊。 在Outlook中，你可以為不同用途設定多個簽名 (內部與外部、個人與商務) ，並選擇是否自動包含在新郵件、回覆或轉寄中。 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 ...

Xbox Support ... Xbox Support

Then, curiously, says you need to contact them "within 48 hours", or "right away." They know you probably won't be fooled if you stop to think about it, so they want you to react before you've stopped to think about it.

Check the Xbox services, games, and apps for any service outages.

For Unified/Premier, you may create a ticket online or contact our support by signing in to Services Hub. Please note that numbers marked as Toll Free are accessible for local calls only.

A contact list is a collection of email addresses and is useful for sending email to a group of people. If you want more robust functionality with your contact list, consider creating a Group in Outlook.

Microsoft Support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows 11, Surface, and more.

To contact us in Outlook.com, you'll need to sign in. If you can't sign in, click here. For other help with your Microsoft account and subscriptions, visit Account & Billing Help. To get help and troubleshoot other Microsoft products and services, enter your problem here.

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 It issues digital certificates, signs certificates to verify their validity and tracks which certificates have been revoked or have expired.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 ...

For technical support, go to Contact Microsoft Support, enter your problem and select Get Help. If you still need help, select Contact Support to be routed to the best support option.