Learn how to troubleshoot common issues with Excel, such as error messages, crashes, or slow performance. Follow the steps to run Excel in safe mode, disable or enable add-ins, and install the latest updates.

Ready to install Microsoft 365 or Office 2024? Before you begin, make sure your PC or Mac meets the system requirements. If you already redeemed a product key, reinstalling the apps, or you have an assigned license through work or school, you can skip ahead and go to the section sign in to download and install Microsoft 365 or Office.

As you're getting your Microsoft 365 business subscription set up, you'll want to download and install your Microsoft 365 apps, like Word, Excel, Microsoft Teams, and PowerPoint, on your PC or Mac.

If a Microsoft 365 application such as Word or Excel isn't working correctly, sometimes restarting it will fix the problem. If that doesn't work, you can try repairing it. When you're done, you might need to restart your computer.

How do I repair a corrupted workbook? How do I restore a previous version of an Excel file? Where are my worksheet tabs? Why can't I edit my Excel file? Why does my Excel file open read-only?

Open any Office application, such as Word or Excel, and select Account. Note: If you don't see Account or you already have a file or document open, choose File from the menu, and then select either Account or Help from the list on the left. Under Product Information, you'll find your Office product name and, in some cases, the full version number.

In your downloads folder, double-click the Office Deployment Tool exe file to install it. If you see the User Account Control prompt that says, Do you want to allow this app to make changes to your device?, click Yes.

Having a problem with your Excel? Check this page for recent issues that we've discovered, and what you can do about them.

Find Microsoft Excel help and learning resources. Explore how-to articles, guides, training videos, and tips to efficiently use Excel.

Excel check troubleshooter Use the Excel check troubleshooter to resolve Excel for Windows startup, hang, or crash issues. Select the button below to start the Excel check troubleshooter.