Herewith (adverb)

With this; attached or enclosed with this document or statement.

Origin:

The word "herewith" comes from the old english word "hērwith" meaning "with this".

Examples:

1. I am herewith submitting my resignation.
2. Herewith, I enclose my resume for your consideration.
3. I am herewith providing the requested documents.
4. Herewith, I present you with the keys to the new office.
5. Herewith, I am attaching the necessary paperwork for your review.