To append the new exported Excel report instead of overwriting the existing one for GST purchase register in BUSY, please follow below steps :
Step 1 : Within the Display menu, you should find a submenu or option related to GST Reports.
Step 2: Click on it to proceed.
Step 3: In the GST Reports section,Look for the option labeled GST Register select Purchase register.
Step 4: Click on the export button or press ALT+E on your keyboard to open the export window.
Step 5: Specify the same path to overwrite the file on the same .
Step 6: Choose the file format that you want to export your data to, such as Excel, CSV, PDF & Google Sheet. You can also change the file name and location if needed.
Step 7: Click on the OK button to export your data.