Once the download of the GSTR4 Offline Tool is complete, you need to unzip these downloaded files on your machine.
1) Unzip the downloaded files and extract the files from the downloaded zip folder GSTR_4_Offline_Utility_v3.0.zip. Zip folder consists of the GSTR4_Excel_Utility_v3.0 file as shown in the screenshot below.
2) Double click the GSTR4_Excel_Utility_v3.0.xls.
3) Click the Enable Editing button in the excel sheet.
4) Click the Enable Content button in the excel sheet