...Please make sure the Excel file is containing only the valid Column listed in the sample file.
2. Before selecting the Excel file please set the row where the column names are present and contact details are present. ( I know the program flow is wrong , it will be corrected in next version).
3. Select the appropriate Excel file, the data present inside the excel is read and displayed in the application if its not reading correctly please tweak the row numbers and the column names appropriately till the required data is properly read inside the tool.
4. Finally click on the create Vcf file , select the required folder. ...