We recommend that you uninstall any previous versions of Office, including Visio and Project, before installing the newer version.
Microsoft maintains that you don’t need to uninstall previous versions of Office before installing a newer release.
Can I delete old versions of Microsoft Office?
Navigate to the Control Panel. Click Programs and Features. Find the older version of Microsoft Office in the list of programs. Double-click the older version to start the uninstall wizard, and follow the prompts to uninstall the program.
Older Office Versions This means you end up having both the new version and the old version installed on the computer. You don’t have to uninstall the old version, but you can do it to save disk space and hard drive clutter. You can uninstall the old version before or after you install the new one.
How do I remove old Office from my computer?
Click Start > Control Panel. Click Programs > Programs and Features. Right-click the Office application you want to remove, and then click Uninstall.
Can two versions of Microsoft Office be installed?
If you wish to install multiple versions of Microsoft Office on the same computer, take note of these important considerations: While this configuration is possible, Microsoft does not recommend running multiple versions of Office on the same system.
Can I install two versions of Office on the same computer?
Yes, you can run both on the same computer (I have that setup currently on my machine). Your current problem is with “Windows File Associations”, it is not actually an Office problem. There is a simple fix, do an Office Repair of your Office 365 installation. That should reset the file associations as you wish.
Microsoft maintains that you don’t need to uninstall previous versions of Office before installing a newer release.
It might now be 10 years old, but Microsoft Office 10 is still an excellent office suite, and is still a popular choice – particularly for people who are working from home and don’t have the benefit of regular software updates from a company IT department.
