It's also valuable to clarify why the information is needed. I don't really have problems getting information from somebody when I email them and the email star

It's also valuable to clarify why the information is needed. I don't really have problems getting information from somebody when I email them and the email starts with "We are unable to proceed with <the thing they care about> until we have answers to these questions: <numbered list here>" As someone who both sends and receives a lot of business email and who is very busy, frankly if your email isn't structured like this, or it's written as a long rambling essay or something, 99% of the time you shouldn't send it