Cover letters are meant to impress, but poor formatting wont impress anyone. Cover letter formatting is fairly standard across industries, and following the proper format shows that you understand professional conventions.
Read more on Cover letters or related topics Job search and Early career.

This cover letter was a sprawling three pages. I just hope that the poor hiring manager who received it saw the length and dragged it directly into the trash bin.

This particular example perfectly highlights why How To Overcome A Poor Job Performance In A Cover Letter is so captivating.
When writing a cover letter for a job application, it's important to address the recipient, even if you don't know their name. If you're missing the reader's name, there are several alternative options you can use to formally and respectfully address the hiring manager.