1. Firstly, Go to Masters > Marg Setup > Self format.Press Enter.

2. Enter the current date in reverse format. 

3. Select Barcode Format > In Next window the user will select 'PRN /Self Designer/ DLL as per the requirement. Suppose, select 'PRN' then press Enter.

4. A format setup window will appear in which user has to entered that format name which user wants to export > A Setup window will appear where user will select all the options as per the requirement.

5. Select 'Export Format'. Press Enter.

6. A Directory window will appear in which the user select where the exported file user wants to save then click on 'OK'.

7. Now, the user will press enter to export selected format.

After following the above steps the selected format will get exported.