步骤 1：转到 www.microsoftstore.com 并使用用于购买 Office 的 Microsoft 帐户登录（右上角）。. 步骤 2：登录后，在右上角选择姓名，然后选择“订单历史记录”。. 步骤 3：找到 Office 一次性购买或单独的 Office 应用，然后选择“安装 Office”，查看产品密钥（此操作不会安装 Office）。

Creating an online account usually involves entering your information into a form containing multiple fields, such as name, email address, date of birth, password, and more.

To get your team up and running in Microsoft Teams, you'll need to create the team, add people, and add channels. Here's how. To create a team, click Join or create a team.This is where you create your own team, or discover existing ones.

Under Personalization & advertising, turn on or off the setting for Allow Microsoft to save your browsing activity including history, usage, favorites, web content, and other browsing data to personalize Microsoft Edge and Microsoft services like ads, search, shopping and news.

First time, infrequent senders, or senders marked [External] - While it's not unusual to receive an email or Teams message from someone for the first time, especially if they are outside your organization, this can be a sign of phishing.Slow down and take extra care at these times. When you get an email or a Teams message from somebody you don't recognize, or that Outlook or Teams identifies ...

Create or join a community. Create or join a safe space to chat, have calls, share photos, and more, all in one place. Learn more

重要: 在尝试以下任意解决方案之前，请确保先备份你的个人文件。 你可以备份 Windows 电脑，或者插入 U 盘并使用文件资源管理器将重要文件拖动和复制到 U 盘。 如果你是使用 Microsoft 帐户登录到 Windows，系统设置将在连接到 Internet 后立即更新，然后自动还原。

Learn how to log in to Microsoft Teams with your Microsoft 365 account. This step-by-step guide from Microsoft Support walks you through the process of accessing Teams on desktop, web, and mobile devices.

注意：在早期版本的 Outlook 中，IMAP 帐户还使用了 Outlook 数据文件 (.pst) 。在 Outlook 2016 和 Outlook for Microsoft 365 中，IMAP 帐户使用脱机 Outlook 数据文件 (.ost) 。 还可以使用 Outlook 数据文件 (.pst) 从任何类型的电子邮件帐户备份或导出项目。

为什么需要验证码？ 当你登录到你的 Microsoft 帐户时，我们可能会要求提供其他证明，证明确实是你的帐户。 最多可以添加 10 种不同的方法来验证登录，并且可以选择：