French phrase
Je vous informe de ~.
Meaning
I am informing you of ___.
When to use it
A polite way to notify someone of a fact. Common in business emails about sending or attaching documents.
Example dialogue
Je vous informe de l'envoi du rapport en pièce jointe.
I am informing you that the report has been sent as an attachment.
Merci, je vérifie.
Thank you, I will check.