For Microsoft 365 or Office apps installed on a Windows PC: If you're not already in a Microsoft 365 or Office file or document, open an app such as Word or Excel, and open an existing file, or create a new one.

Microsoft Support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows, Surface, and more.

Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

Get help for the account you use with Microsoft. Find how to set up Microsoft account, protect it, and use it to manage your services and subscriptions.

Learn how to install, reinstall, or activate Microsoft 365 or Office 2024 on a PC or Mac.

Use your Microsoft account to sign in to Microsoft services like Windows, Microsoft 365, OneDrive, Skype, Outlook, and Xbox Live.

Learn about the latest features and extras available to you for Microsoft 365 Copilot, Windows, Surface, Microsoft Edge, and more.

A Microsoft account recovery code is a 25-digit code used to help you regain access to your account if you forget your password or if your account is compromised.

Welcome to the May 2025 edition of What's new in Microsoft 365 Copilot! Every month, we highlight new features and enhancements to keep Microsoft 365 admins up to date with Copilot features that help your users be more productive and efficient in the apps they use every day.

May 19, 2025 · Visibility to your organization’s AI agents is the first step in a comprehensive identity and access management solution for non-human identities.