Copilot is available in the Home tab of Word, Excel, PowerPoint, and Outlook on the web if you are a Copilot subscriber. If you also have a Microsoft 365 subscription that includes the Microsoft 365 desktop apps then you should find Copilot available in those apps as well.

Get Help has troubleshooters for Copilot you can run for many common scenarios. These often help resolve issues without the need to contact support. If a troubleshooter is available for your issue, select Start to run that troubleshooter.

If you want to turn off Copilot in a Microsoft 365 app (for example, Word, PowerPoint, and Excel), you can clear the Enable Copilot checkbox in the app on your Windows or Mac device. When you turn off Copilot in an app, the Copilot icon on the ribbon is disabled and you won't be able to use any Copilot capabilities in that app.

Follow these steps to let Outlook diagnose and fix errors in your Outlook mail profile that might be causing the issue. In Outlook, choose File. Choose Account Settings > Account Settings. On the Email tab, choose your account (profile), and then choose Repair.

Microsoft 365 Copilot Chat is the at the center of Microsoft 365 Copilot. Grounded in both web and work data, Copilot Chat helps you incorporate your work content, such as chats, email, and files. It is extensible and can be accessed in the Microsoft 365 app, Microsoft Teams, and Outlook. Try it!

Experience Microsoft Copilot on Windows devices using the Copilot app! Copilot helps you get answers and inspiration from across the web, supports creativity and collaboration, and helps you focus on the task at hand.

Copilot in OneDrive offers a powerful feature that allows users to find information and answer questions across their files. This time-saving tool can search through up to 5 selected files, supporting various document types except for videos and images.

Microsoft released the following security and nonsecurity updates for Office in January 2025. These updates are intended to help our customers keep their computers up to date. We recommend that you install all updates that apply to you.

Use the Office offline installer to install Office 2016 or Office 2013 if you don't have an active Internet connection or you're having problems with slow speed or unreliable connections.

We've put together a feature coverage matrix to help you and your teams understand what's available and coming soon, compared to what exists today in the classic Outlook experience. Note: Some features are only available to individuals using a work or school account in Outlook with a qualifying Microsoft 365 subscription.