8 votes Permalink Report Abuse. ‘Hi All’ is used to address multiple people in email or instant messages. At times it is used in hurried speech to address an audience of people.

Is it correct to say hi all?

“Hi all” is not incorrect. It is a common enough greeting used by many native English speakers in addition to the other one. It is a common enough greeting used by many native English speakers in addition to the other one.

What can I say instead of hi all?

More Alternatives to Common Phrases
Sincerely.Hello Everyone.Thank You For Your Consideration.Thank You For Your Time.Best Regards.Warm Regards.I Hope This Email Finds You Well.Dear Sir or Madam.

“Dear All” is fine. There’s nothing wrong with it. It is informal – you are addressing people as members of a group of which you are one.