Letterhead Design CDR File Professional letterhead designs for firms in the medical or pathology fields can be produced with the help of the CDR file format Pathology Letterhead template. The template has a header area with room for the address, phone number, and logo of the business. The contents of the letter, including the date, the name of the receiver, the subject, and the message, are accommodated in the body of the letterhead. The template has a basic color scheme that features blue and white tones and is clear, contemporary, and easy to read. The template’s typeface is readable and appropriate for business correspondence.