As a sequence I am going to describe some important T-code of MM module. ME17 Archive Purchasing Info Records This transaction is used to archive purchasing info records. Before a record is ready to be archived, it must have the deletion flag set, which can be achieved using transaction ME15. ME18 Send Purchasing Info Records This transaction is used to send purchasing info records to another system via ALE. It is possible to restrict the purchasing info records to be sent by entering a vendor, material, material class or info record number. The user can enter the logical system where the source list is to be sent. ME1A Archived Purchasing Info Records This transaction is used to access archived purchasing info records. The archived info records can only be accessed if read from a flat file, which has to be on an application server. If the archived records are held externally, then they will need to be loaded onto the server in order to be accessed. ME1E Quotati...