As default we accept gerber file RS-274X format.
We also accept following layout files directly:
Altium/PROTEL: .PCB/DDB/PCBDOC
EAGLE: .BRD
File conversions Altium designer & Protel users

We can convert your Protel 99SE and DXP, and Altium Designer 6 files to Gerbers. Please send .pcb or pcbdoc files, we will send the generated Gerber files to you for final approval before starting manufacturing.

Eagle users

Please note that during the file upload process it is important to specify which layer objects we should use for silkscreen and inner layers mid-layers. If you do not specify which layers to use, we will use the following default settings for silkcreen per our CAMscripts or place your order on hold for clarification on inner layer object selection:
Top Silkscreen: L21 & L25 tPlace & tNames                                                                                
Bottom Silkscreen: L22 & L26 bPlace & bNames