This article explains how you can get or create a digital signature for use in Office documents. To learn more about how to use them in Office documents, see Add or remove a digital signature in Office files. What is a digital signature? A digital signature or ID is more commonly known as a digital certificate. To digitally sign an Office document, you must have a current (not expired) digital ...

Learn what to do about error code c00d11e2, c00d129b, c00d1334, c00d1338, c00d1374, c101000b or 80190190 and the Zune service or software.

Learn how to view and launch installed third-party games from your Xbox app library on PC and handheld devices.

Three ways to add copyright or trademark symbols to your Outlook messages.

Find everything you need to manage your Microsoft account, Xbox profile, and more.

Want to add a padlock to your email messages? You can use encryption and digital signatures in new Outlook, classic Outlook, and Outlook on the web for work or school accounts to increase the security of messages. Encrypting an email message in Outlook means it's converted from readable plain text into scrambled cipher text. Only the recipient who has the private key that matches the public ...

ASCII and Unicode character encoding enables computers to store and exchange data with other computers and programs. Below are lists of frequently used ASCII and Unicode Latin-based characters. For Unicode characters for non-Latin-based scripts, see Unicode character code charts by script. In this article Insert an ASCII or Unicode character into a document Common symbol character codes Common ...

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

若要在 Apple 设备上使用 Xbox Cloud Gaming，请按照以下步骤操作或观看视频： 视频说明 有关云游戏和要求的详细信息，请访问： 如何使用云游戏

在Outlook 中，可以为电子邮件创建一个或多个个性化签名。 签名可以包括文本、链接、图片和图像 (，例如手写签名或徽标) 。