To ever have a chance of succeeding with your goal of landing that perfect job, you also need to dedicate some time and effort in crafting a good resume cover letter while ensuring that it maintains the structure of a proven and successful format. The cover letter essentially sums up your competencies and skills relevant to the role you are applying for. It is not generally considered as part of your resume, but you have to keep in mind that a cover letter becomes more effective if it complements your submitted resume.
The first thing I want to say about cover letter format is when it comes to cover letters one size most certainly does not fit all. Although you can and should follow a format with your cover letter you should individually tailor each cover letter towards the job that you are applying for.