If in doubt, use the full block. It's simpler and seen as a wholly acceptable format for all official letters, largely because it is the more formal_looking of the two. Sender's Address _ The address of the sender will be the first thing to appear on the letter. As you can see in the examples above, its positioning differs depending on the format: Full block format (or FBF for the purposes of this article): Align left. Modified block format (or MBF): Align right
Here are 6 effective cover letter format tips to keep in mind: Keep it short and to the point. Since you only have a few short moments to impress the hiring manager, you will want to shine rather quickly. You do not want to drone on about all of your accomplishments and write a two page cover letter. One page should be the maximum. If you have more than one page for your cover letter, there is a high probability that it will be overlooked.