Exporting a Project 
It is a good idea to perform the migration from a legacy system to the SAP system in a test system first. This function is used to transfer the field assignments developed to the production system.
The mapping and field assignments for a migration object already exist.
On the LSMW initial screen, choose . A dialog box appears.
Select the corresponding project. Choose Continue.
The structure hierarchy of the selected project is displayed. Either Select / Deselect parts of the project or export the overall project.
Choose . A dialog box appears.
Specify the file name and path.
To confirm, choose Open.
The mapping and field assignments are exported.
Note
The documentation of the selected elements is also exported.