How is the information stored?
All data are stored in the "My documents\X-Profit\" folder
How to open "Databases" form?
To open the "Databases" form, go to Menu --> Databases
How to create, rename and delete database?
If you are working with a single database, then you can mark it as a favorite. Then when the program is launched, the window "Databases" will not appear and the program will automatically connect to the selected database.
How to partially clear the database quickly?
Click "Clian-up" button
Select the Database and mark tables you want to clean up. After that click "Clean up" button.