WinZip

WinZip is one of two most popular program to compression of data available on the market. His main aim is decreasing the size of files. Thanks to him, we can really fast archiving the data, which we do not use in this moment. It allows decrease the size of pictures, text documents, or even spreadsheets. It makes easier sending of emails, reducing the size of attachments. It can really fast open archives, protect it by password and divide on smaller parts. His disadvantage is that it cannot create files in another format than ZIP and LHA. It can cope with reading all kind of archives, in this RAR and even files of plate picture in ISO format.