Hi aretai,
There are numerous possibilities, including a Word 2007 installation that hasn't been updated, printer/display driver errors, etc, that make the words
appear joined when they're not. If the problems are evident on your co-worker's PC and not on your's, then the problem is with your co-worker's PC! See, for example:
http://blogs.technet.com/b/office_su...ng-spaces.aspx