kvon29

That was it - thank you!

I open the application from the windows start menu, without opening a document. OR if I double click on a document to open the document in the application, either way - it opens the app in a new Group. That '+' button you refer to is the new group that was created (unwanted). If I press it, it opens another new document and adds it to the group.

Yes:

Thanks, but that did not work.

There is an option in the Application Grouping settings for "Group newly opened windows if the Ctrl key is held down whilst opening them." It seems that all of my MS Office files group automatically when opened, regardless of whether this setting is selected. How do I turn this off? Additionally, there's an option to "automatically group all XXX windows together", and another to "automatically exclude from auto grouping all XXX windows". How about "automatically do n