Create a digital certificate to digitally sign a document immediately. If you do not want to purchase a digital certificate from a third-party certificate authority (CA), or if you want to digitally sign your document immediately, you can create your own digital certificate.

Looking for help? For help from an agent, follow the Get help link below to chat or request a call—we’ll call you so you don’t have to wait. For even faster help, search for your topic on our site. Get help.

How to help keep your Microsoft account safe and secure. Change or reset your Windows password. Accessing the account of someone who has died. Learn how to reset or change your Microsoft account password. Get help with a forgotten Microsoft account password.

How to redeem a gift card, Xbox download code or token. Both Microsoft and Xbox gift cards and download codes and tokens work the same way: once redeemed to your Microsoft account, you can spend your balance at Microsoft Store online, on Windows or Xbox, and you can get downloads for the latest apps, games, movies, TV shows, and Surface, Xbox ...

Thank you for choosing a Microsoft Office 365 Consumer Subscription! Your use of the Office 365 Consumer Subscription service and software is governed by the terms and conditions of the Microsoft Services Agreement you agreed to when you signed up for a Microsoft Account (linked below) and the terms and conditions of this Supplement (collectively, the “Agreement”), which with other terms ...

Hotmail is now Outlook.com. Learn how to sign in to access your Outlook.com, Hotmail, Live, or MSN email account.

Go to account.microsoft.com and if you’re not already signed in, sign in with the username and current password for the account you want to update. From the navigation header, select Security and because you’re accessing sensitive info, you’ll need to enter the password for this account again.

Add, remove or update an email address or phone number. If you want to make changes to the email addresses or phone numbers associated with your Microsoft account, use our guided support tool below to help you update the right information in the right way.

You get one of the following error messages when trying to redeem a digital code you purchased on your Xbox One or Xbox.com: Redeem a different code. The code you are attempting to redeem is for a currency that does not match your account location.

下载并安装或重新安装 Office 2019、Office 2016 或 Office 2013. 如果这是你 第一次 安装 Microsoft 365，则可能需要先执行一些设置步骤。. 展开下面的 “了解详细信息”部分。. 但是如果是重新安装 Microsoft 365，且已兑换了产品密钥并拥有与 Microsoft 365 相关联的帐户，请转 ...