Hotmail is now Outlook.com To sign in to Hotmail, you'll need your Microsoft account username and password. Sign in at outlook.live.com

Find out how to change your Xbox gamertag through a browser, on your Xbox console, or your Windows device.

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 ...

The Office @mention feature makes it much easier for you to connect with colleagues and needed resources as you collaborate on creating documents, presentations and spreadsheets.

Learn more about the advanced security features for Outlook.com that come with an Office 365 Home or Office 365 Personal subscription.

Learn how to organize and find content easily in Microsoft Teams using tags. This article shows you how to create, apply, and search for tags in Teams. Improve your productivity and collaboration with this useful feature.

The list of names and email addresses that are suggested as you begin to type in the To, Cc, and Bcc boxes can be imported or copied and used on another computer.

Learn how to locate and manage your app permissions on Windows devices. Some apps or games need specific permissions to work properly.

Use the People page to create, view, and edit contacts, contact lists, and groups. Create new contacts from scratch, or add someone as a contact from their profile card. You can create a simple contact list for sending email to a group of people, or create groups for group-based collaboration.

如果您購買的 Office 或 Microsoft 365 隨附產品金鑰，您可以在下方列出適用於您產品的網站上輸入產品金鑰。 輸入金鑰之後，您可以下載並安裝 Office，也可以為您的 Microsoft 365 訂閱續約。