Download and install or reinstall Office 2019, Office 2016, or Office 2013 - Microsoft Support. Office 2019 Office 2016 Office 2016 for Mac Office 2013. If this is the first time you're installing Microsoft 365 you may have some setup steps to do first. Expand the learn more section below.

If some Windows functions aren't working or Windows crashes, use the System File Checker to scan Windows and restore your files. Though the steps below might look complicated at first glance, just follow them in order, step-by-step, and we’ll try to get you back on track.

. More options. If you are having issues installing or updating Gaming Services on your PC, or if you are noticing that the Xbox app for PC is launching with missing content, you may want to download and run the Gaming Services Repair Tool for PC.

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. The steps to access the repair tool vary depending on your operating system.

Sign in to download Microsoft 365 or Office. Go to www.office.com and if you're not already signed in, select Sign in. Note: If you're using Microsoft 365 operated by 21 Vianet, sign in with your work or school account to login.partner.microsoftonline.cn .

Microsoft Defender Antivirus is a powerful tool that finds and removes malware from your PC. Here's how to use it in Windows 10 or 11 to scan your PC. Important: Before you use Microsoft Defender Offline, make sure to save any open files and close apps and programs. Open your Windows Security settings.

Windows 7. Windows Server 2008. Microsoft generally releases the MSRT on a monthly cadence as part of Windows Update or as a standalone tool. (For exceptions, see Skipped releases .) Use this tool to find and remove specific prevalent threats and reverse the changes that they made (see Covered malware families ).

To start your refund request, sign in. Collapse all. Why don’t I see my purchase in the list? If you’re not seeing your purchase listed above, we can help you figure out why. See: I don’t see a purchase in my order history. Refund eligibility.

Option 1 - Uninstall Microsoft 365 from the Control Panel. Option 2 - Completely uninstall Microsoft 365 with the uninstall support tool. Tip: If you're a small business owner looking for more information on how to get Microsoft 365 set up, visit Small business help & learning.

Data files. Repair Outlook Data Files (.pst and .ost) Outlook for Microsoft 365 Outlook 2021 Outlook 2019 Outlook 2016. Guided support in your browser can provide digital solutions for Office problems. Try guided support. You can use the Inbox Repair tool (SCANPST.EXE) to diagnose and repair errors in your Outlook data file.