what is modified block letter style
Modified Block Format With Mixed Punctuation. The modified block style is a traditional format widely used for many years. With this format, sometimes called semi-block format, letter items begin at the left margin except for the date, the closing, and the signature.These items begin at the horizontal center point.odified Block Format With Mixed Punctuation. The modified block style is a traditional format widely used for many years. With this format, sometimes called semi-block format, letter items begin at the left margin except for the date, the closing, and the signature. These items begin at the horizontal center point.