Step-1: Start the DRS OST Converter and choose from choice Single file or Multiple file option.
Step-2: Now Click on the browse button to add OST files for conversion.
Step-3: Provide Log file and Temp file path. Click Next to continue.
Step-4: Now pick the OST items you want to convert.
Step-5: Click the NEXT button to move further in the process.
Step-6: Pick the HTML format from the file saving option.
Step-7: Apply customized filters by ticking on the "checkbox" buttons for Mail filter, Remove Duplicate Mail, Naming Convention, and Custom folder name
(if want to).
Step-8: Provide the file saving path to save the resultant file on your system and click convert.
Step-9: All the selected OST will be converted and saved as CSV.