Do a search for *.dbx and make a note of where the files are located.
Download dbxrecovery install and run it. Note the free version limits the number of files you can recover. http://www.dbxrecovery.net/
An alternative is http://www.sharewareconnection.com/move-dbx-to-eml.htm
There are a lot of dbx recovery tools available if you search for them, many have free versions that limit you to recovering one file at a time or limit the numbers you can recover.