Learn how to sign in and create app passwords for Microsoft apps and devices that don't support two-step verification.

How prepaid subscription time converts when upgrading to Game Pass Ultimate or Game Pass Premium When you upgrade to a Game Pass plan that includes benefits of a subscription you already have, we'll convert remaining prepaid time and apply it toward your new plan at the current conversion ratio. See below for Game Pass Ultimate and Game Pass Premium upgrade details.

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

About digital signatures and certificates in Office, and buying a digital certificate from a certificate authority or create your own.

The default authentication method is to use the free Microsoft Authenticator app. If you have it installed on your mobile device, select Next and follow the prompts to add this account.

可以使用安全密钥作为组织中的无密码登录方法。 安全密钥是一种物理设备，它与唯一 PIN 一起使用以登录到工作或学校帐户。 由于安全密钥要求你拥有物理设备和只有你知道的内容，因此它被视为比用户名和密码更强大的验证方法。 使用安全密钥作为无密码身份验证方法目前以公共预览版提供 ...

Learn how to download and install apps you need from your Microsoft 365 business subscription.

Learn how to add all your different accounts to the Microsoft Authenticator app.

The install begins. After it's finished, select Start and then search to find Project from your list of apps. Need more help? If you're still not finding the answers you need, try searching for content on support.office.com, or browsing through the list of topics on the Project Help Center.

Each person can sign in to Office using their own Microsoft account on your device to create and edit their own files. We recommend staying signed in to Microsoft 365 or Office so that your apps remain activated. If you sign out, your apps will be deactivated. You can view and print files, but not create or edit files, until you sign back in.