Export master table data of company in MSD axapta

follow the following steps.
1. select Company.
2. Create a data definition for export, from Admin- Periodic- Data Export Import - Definition Group - Create table definition group - Include table group (tab) and uncheck Transaction , worksheet header, and worksheet lines.  This will ensure that the export will not include transactions.
3. Export the data into a dat file.
4. Now you can Import from this dat file into the new Company created in step 1

I hope it will help you a lot