Exporting files
When the PCB is finished, you can export the CAM files for production. Exporting is easy: open the board file, then click "File", "CAM Processor".
Gerber files
In the CAM Processor, click "File", "Open", "Job..." and select "gerb274x.cam". Click "Process Job". Close when finished, do not save the job.
Excellon drillrack
In the CAM Processor, click "File", "Open", "Job..." and select "excellon.cam". Click "Process Job". Close when finished, do not save the job.
Finishing up
Use Windows Explorer to browse to the project directory. Put all files (including SCH and BRD, for convenience) in this directory in a ZIP-file and send this ZIP-file to the manufacturer. You're done!