Available in Pro version only

 On Mac: 

• Go to the main menu File -> Export...
• At the top of the window that appears select the preferred export format
• Drag and drop fields you want to export from column "Available fields" to column "Export fields"
• Drag and drop fields you don't want to export from column "Export fields" to column "Available fields"
• Reorder fields with drag and drop inside "Export fields" column to specify order of fields
• Click "Export..." button in the bottom of the window
• In the window that appears specify location to save the file

 On iPhone or iPad: 

• Go to the contact list
• Tap on "More" button in the bottom of the screen
• Tap on "Export" button 
• In the top of the screen select the preferred format
• Select fields you want to export 
• Tap on "Add Fields" button to add more fields
• Swipe left and tap on a "Trash" button to delete fields from the exported file
• Tap and hold then move up or down the reorder control on the right of the field name to specify order of columns in exported file
• Tap "Done" button in the top-right corner of the screen
• In the preview window that appears tap on "Share" button in the bottom-left corner of the screen
• Select the app you want to open file in or send file by AirDrop, Messages or Mail