10. A data processing system comprising: a bus system; a communications unit connected to the bus system; a memory connected to the bus system, wherein the memory includes a set of instructions; and a processing unit connected to the bus system, wherein the processing unit executes the set of instructions to receive a message; extract at least one format element from the message; build a message format using the at least one format element; graphically represent a physical appearance of the message format in a horizontal format, wherein the horizontal format comprises an accordion style container of format elements, wherein the accordion style container include plurality of sub-containers, wherein each sub-container is delimited on both sides of the horizontal format of the sub-container, and wherein the accordion style container are expandable and collapsible in a horizontal direction; expand the accordion style containers or sub containers; and in response to the expanding, substitute each data field of the accordion style container or sub containers with a value.
10. A data processing system comprising: a bus system; a communications unit connected to the bus system; a memory connected to the bus system, wherein the memory includes a set of instructions; and a processing unit connected to the bus system, wherein the processing unit executes the set of instructions to receive a message; extract at least one format element from the message; build a message format using the at least one format element; graphically represent a physical appearance of the message format in a horizontal format, wherein the horizontal format comprises an accordion style container of format elements, wherein the accordion style container include plurality of sub-containers, wherein each sub-container is delimited on both sides of the horizontal format of the sub-container, and wherein the accordion style container are expandable and collapsible in a horizontal direction; expand the accordion style containers or sub containers; and in response to the expanding, substitute each data field of the accordion style container or sub containers with a value. 17. The data processing system of claim 10 , wherein the set of instructions to build the message format using the at least one format element comprises: a set of instructions to reference existing message formats within the message format.