If you are going to write a cover letter then it needs to be done with thought and care – if you don’t have the time then rather don’t write a cover letter at all as it can be as damaging to your chances.
The purpose of a cover letter is to secure an interview. The cover letter also informs the potential employer of which position that you are applying for and that the supporting materials are attached.
Highlight relevant experience, qualifications and attributes for the job for which you are applying
Reflect your attitude
Provide specific information not covered in your resume (i.e. Availability: 1 Calendar Months notice)
A cover letter should capture the recruiters or employer’s attention and motivate an employer to interview you. The opening should appeal to the reader. If you don’t really have anything meaningful to say in a cover letter than rather do not write one. There really needs to some specific information that needs to be highlighted or is additional to your resume to justify the employers’ time in reading an individual letter.
Remember that the person you are writing to is probably busy so it is important to be efficient in your communication. A badly thought out, worded or presented cover letter will do more damage than good.
Consider if a follow-up letter or telephone call after you have sent your resume will be more effective than a cover letter in securing you an interview.