microsoft office

[Margaret Shearman]

I have been having problems with Microsoft sort of sabotaging my independent 
software and browser preferences.  Just recently I noticed that all my Open 
Office documents were converted to Microsoft Word without my authorization.  Is 
there a default word processing setting in Windows that allows this to happen 
and can I change it.  Or I also save to OneDrive cloud....is this why my 
documents are changed?
Margaret Shearman