Formal French Letter Translation (English to French)

I have a brief personal letter that I need rendered in polished, formal French while preserving every nuance and courtesy of the original. The text is short—under one page—yet it is important that the tone remains consistently respectful and diplomatic throughout.

You will receive the letter in its current language as an editable document. I’d like you to return:

• A clean, idiomatic French version, ready to send
• A lightly annotated copy (comments or tracked changes are fine) highlighting any expressions that required special care or could have alternative phrasings

Please keep the structure, salutations, and closing exactly as they appear, adapting only where French conventions differ. Accuracy and natural flow are more important than word-for-word literalness. Native-level command of French and demonstrable experience with formal correspondence will be highly valued.