When installing the Access 365 Runtime on a machine that has another Click-to-Run version of Office installed, the Access Runtime installed will match that of the existing Office installation. For instance, if the machine has Office 2021 installed, Access 2021 Runtime will be installed.

Fixes or workarounds for recent issues in classic Outlook for Windows.

Learn how to uninstall Office from a PC using the Control Panel or with the uninstall support tool.

Provides links to the uninstall tools and directions for many security programs.

Use the uninstall troubleshooter to uninstall Microsoft 365, Office 2021, Office 2019, or Office 2016 from your Windows PC. Select the button below to start the uninstall troubleshooter. Click Open if you get a pop-up window indicating This site is trying to open Get Help.

Learn how to fix "couldn't install Office" error related to 64-bit or 32-bit versions of Microsoft Office.

Learn how to download and install apps you need from your Microsoft 365 business subscription.

First, you'll need to download the troubleshooter. Download troubleshooter. If you see the File Download box when you start downloading, select Run or Open. The troubleshooter provides steps for you to follow. If a program isn't listed in the uninstall options, you'll be asked for that program's product code.

If you cannot open your Outlook data file or suspect that the file is damaged, use the Inbox Repair tool (scanpst.exe) to repair errors in the file.

Learn how to use the Gaming Services Repair Tool to troubleshoot installation and update issues with Gaming Services on PC.