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.

Select the Microsoft 365 or Office product you want to repair and select Modify. Note: This will repair the entire Office suite even if it's just one application you want to repair such as Word or Excel. If you have a standalone app installed, then search for that application by name.

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.

Download and install or reinstall Office 2021, Office 2019, or Office 2016. Important: Support for Office 2016 and Office 2019 will end on October 14, 2025 and there will be no extension and no extended security updates. All of your Office 2016 and Office 2019 apps will continue to function.

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

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.

Use command-line switches to customize the startup process for Microsott Office programs: Word, Excel, PowerPoint, Outlook, and Access.

How to start Office for Windows applications in Office Safe Mode. Use one of these methods to start an Office application in Office Safe Mode on a Windows PC: Find the shortcut icon for your Office application. Press and hold the CTRL key and double-click the application shortcut.

Open the Office folder in the virtual drive, and then select either the Setup32.exe to install the 32-bit version of Microsoft 365, or Setup64.exe to install the 64-bit version to begin the offline installation.

Learn how to check what version of Office your using. Find your product name and version number of Office apps.