I am sure this could be fixed somehow, but if it is a choice between doing a complete Windows 10 fresh install or leaving Office 2007 lying dormant, I'll choose the latter option, unless I come across problems in the near future.

I suspect as you say, that Office 2007 has somehow got tied into Office 365. I have managed to get Office 365 fully working, but Office 2007 is still lying around. So I tried to uninstall Office 2007 which is where the problems arose. This article describes how to remove your on-premises Skype for Business deployment. Removing Skype for Business from an Office 365 Click to Run. Skype Quit (Image credit: iMore) Open Finder on your Mac. Enter the XML data provided in this blog post. Modify the Settings format to Enter XML data. Click + Add In the App type drop-down menu, select Office 365 Suite: Windows 10. In the Client Apps blade that displays, select Apps. However this was not the case as there were file association problems in Word. Powershell Uninstall Skype For BusinessFind and select Skype for Business, click the Uninstall button. From the Microsoft 365 Device Management Portal, select Client Apps. I was informed by a Microsoft operative that it could be installed alongside 2007 as they use a different install process.

I installed Office 365 as a trial to see if I wanted it before buying. Continue with the on-screen directions (if applicable). Yes, the list does show Office 2007 as being installed and I can select it and choose it before selecting Uninstall - but this does nothing. Click the menu button from the right side and select the Uninstall button.

Uninstall office 365 trial windows 10