Excel data taking too long to refresh

I have directly linked my kobo collect data to excel using API. I have created dashboards in th eexcel as well such that when I refresh the dashboard it automatically updates. The time taken to refresh is however too long. What can I do to make it be shorter?

@paul_maleya, are you trying to refer to the Excel Power Query?

Yes Kal, I am I am referring to the excel power query…