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 ...

Learn how to cancel Xbox subscriptions, manage recurring billing, and stop future charges while retaining benefits until the subscription expires.

Find out how to manage your Xbox subscriptions to request a refund or cancel a recurring payment.

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 It issues digital certificates, signs certificates to verify their validity and tracks which certificates have been revoked or have expired.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

Here are the most likely causes for an unrecognized charge: A Microsoft subscription has recurring billing enabled. Someone you know, such as a family member, bought something with your card. You can now investigate this on the Manage your payments page. A previously declined charge was charged again. A pre-order or split order was shipped. Someone made an in-app purchase from an app, game, or ...

Find out how to submit a request for a refund for a purchase of digital Xbox content.

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

Get more information about managing your Xbox subscriptions, issues with billing, and more.

To add or change information about your business in Bing Maps search results, use Bing Places for Business to claim or update your business listing. Some features and functionality described here may not be available in your country or region.

Get help if you're having problems sending someone a digital Xbox game or subscription as a gift.