Hi Bela! You can hold path to your database in global variable or in application object property and change path to database in Beforetableopen event of DE. Just go through all cursors and make necessary change. BTW, there is one or more threads about this. You can also search (if you're PUTM)in previous threads. Have a happy day Vladimir Shevchenko > But what can I do, if my tables are in two (or more)different locations, > and want DE to open all the tables but to stay portable? > Is it possible, or I have to open the tables in the second location > by manually?