>We all know that data security on the native foxpro table is not supported by the system. But aside from using other back-end systems
>(SQL-Server,Oracle) , is there any other way or technique wherein we can hide the tables to prevent users from opening the tables using other software applications (eg Excel).

You can use a COM Automation Server for all the data access. It will use a different username/password to access the data directory. The users will never actually have access to the data.