I am herewith attached the document you requested.
herewith submit
Frequency:
60
%
I am herewith submit my resignation letter.
herewith enclosed
Frequency:
50
%
Please find herewith enclosed the contract for your review.
herewith acknowledge
Frequency:
40
%
I herewith acknowledge receipt of your email.
Idiomatic Expressions for herewith
Phrase: Herewith attached is the contract for your signature
Meaning: included with this message
Usage: commonly used in business communication to indicate that something is enclosed or attached