Please find my (project) enclosed with this letter. I realize I have missed your deadline, but I have been overwhelmed with many projects that have recently come across my desk. I have completed your (project) as we discussed. Please let me know if there is anything I...
Dear (recipient's name)
Please find my (project) enclosed with this letter. I realize I have missed your deadline, but I have been overwhelmed with many projects that have recently come across my desk. I have completed your (project) as we discussed. Please let me know if there is anything I can do to further assist you.
Sincerely,
(your name)