Access automatically forces one to make DB replicates when including Access databases and using MS Briefcase. I do NO want replicates, but I do want to use briefcase for other reasons. Can anyone give me a way (maybe a DOS batch file that temporarily changes *.mdb to *.mdbx across multiple folders/subdirectories) to force Briefcase to simply treat *.mdb's as regular, non-replicate files? My problem is that I have several Access databases in different folders, all of which need to be in the Briefcase. And I can't afford to have the extra replicate fields since it would confuse my students.