| cxf | Coordinates Export Format |
| cxf | Google Picasa Collage |
| cxf | SciFinder Chemical eXchange Format Data |
| cxh | Custody X Change CXH Data |
| cxi | Coherent X-ray Imaging Data |
| cxi | FMAT RAW Data |
| cxk | WSCAD Connection List |
| cxl | Business Integrator Extract Schema |
| cxl | Tekla Structural Designer Neutral Data |
| cxm | QuadColor Color Correction Master Data |
| cxml | Silverlight PivotViewer XML Data |
| cxo | CXInsight Export Data |
| cxp | Crocodile Physics Simulation Data |
| cxp | FMAT Assay Data |
| cxr | FMAT Plate Results Data |
| cxs | ConciseXML Format Data |
| cxt | Crocodile Technology Simulation Data |
| cxt | CX-Programmer Text Data |
| cxv | Custody X Change Data |
| cy | Cyberware 3D Scanner Data |
| cy3 | Cytel StatXact 5.0 Data |
| cya | Adobe Photoshop Cyan Color Separation Data |
| cyb | Cytel Studio Batch |
| cyberducklicense | Cyberduck License Data |
| cyd | Cytel Studio Data |
| cyd | LogXact Data |
| cydb | Alteryx Designer Calgary Database |
| cyg | CyGem Pollux Data |
| cyh | CyberHttp Injector Data |
| cyidx | Alteryx Designer Calgary Database Index |
