An envelope printing is a common packaging object, usually made associated with thin flat product. It is built to contain a level object, such to be a letter or card. Any kind associated with business demands several mailings for income, bills, catalogs and so on. The most realistic manner of accomplishing this slow process is as simple as envelope printing and addresses coming from a computer. Using compatible software a total database of titles and addresses could be printed onto envelopes and even mailings. The most commonly known software application to achieve this is Microsoft Word using a feature known while Mail Merge.