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.
...
1.
On the LSMW initial
screen, choose Extras ® Export
project.
A dialog box appears
2.
Select a
project.
Choose Continue.
3.
The structure
hierarchy of the selected project is displayed.
Either Select / Deselect parts of the project or export the overall
project.
4.
Choose Export
conversion rules ® Export.
A dialog box appears
5. Specify the file name and path.
6. Confirm by choosing Open.
The mapping and field assignments are exported.

The documentation of the selected elements is also exported.