2.验证你的身份. 为了保护你的安全，Microsoft 必须先验证你的身份，你才能继续重置密码。

Microsoft アカウントのセキュリティ情報を管理し、確認コードの問題をトラブルシューティングする方法について説明します。

Try it! When you first start Microsoft Outlook, you will need to add an account. Follow the steps to add an Outlook.com or Microsoft 365 email account.

Search for files. Looking for an older file? Search is a powerful tool to find all your online files. Type a word or phrase in the Search box.

Learn how to sign into your Microsoft account at Microsoft365.com for working online from anywhere and using Microsoft365 on the web with the desktop apps.

Learn how to get more storage or delete excess files if your OneDrive is full or near your storage limit.

Learn how to restore files that have been permanently deleted and are no longer in the recycle bin on Windows 10.

Learn how to open, navigate, and troubleshoot File Explorer in Windows, with answers to common questions and support assistance.

Learn how to change or reset your Windows password if you've forgotten or lost it.

准备好安装了吗？ 在开始之前，请确保电脑或 Mac 满足 系统要求。. 如果你已兑换产品密钥，只需重新安装应用，或者知道你已通过工作或学校分配了许可证，则可以跳到登录部分 ，下载并安装 Microsoft 365 或 Office。 但是，如果是 首次 安装 Microsoft 365 或 Office，可能需要先执行一些步骤。