gvSIG-Desktop 1.12. Manual de usuario
Preferences. Create backup of the gvp
Create backup copy of project file
Backup project automatically before saving
This extension can be found under the application's general preferences and allows the user to automatically backup a gvSIG project file (.gvp) before replacing it. The backup is created in the same directory as the original project, with the same name, and with a .bak extension. To enable automatic backup, select the third checkbox in the General section of the Application Preferences:
Vía the menu: Window → Preferences → General