A very polite, humble way to say “please” or to request something; a more formal version of お願いします used in business or polite situations.
会議の資料は今日中にお願いいたします。
Please have the meeting materials ready by today.
ご注文の際はフルネームと住所をお願いいたします。
When placing an order, please provide your full name and address.
どうぞよろしくお願いいたします。
Thank you in advance / I appreciate your cooperation.