The prospective employers, write personal inquiry letter in order to know more about the personal status of a job applicant. It is important for the party of an employer to check the background of a prospective employee.In such an inquiry letter, an employer aims to inquire about the ability, skill set, honesty, character, fitness, integrity etc. of a candidate. Generally, when an employer receives any reference for an applicant, then he or she plans to write such a personal inquiry letter to a referee. The result of this letter, may or may not work in the favour of an applicant.