i want to upload 250k rows in suitecrm

i want to upload 250k rows in suitecrm but its taking so much time any tips or trick which help me out to reduce the TAT.URGENT HELP please

Hi there,

How are you doing the import? Where are you importing from/to(table/database/server etc).

Thanks,

Will.

from import wizard i am uploading on server machine
file format csv ms excel