How To Write An Address On A Big Yellow Envelope . E.g black text on a white envelope, white text on a dark coloured envelope. If shipping to a business, then you should list the business name on the first line. Send in Those Envelopes (closed) YouTube from www.youtube.com Center the address on the envelope and use a flush left margin. In case of sender address you have to write your name and in case of receiver address you have to write the name of the receiver. Though the formatting of the actual address can be.