Click This Link to view (and save) a PDF guide that will assist you in converting your version 4 or version 5 data to the new version of the software.
You can use any version (LT, SA, or CS) of POS Pizza 6 to convert your current data since they all use exactly the same database. This also makes it nice to start out on one version and move to another. Just copy 1 file and you're done!
Scott