Language | Default File Extension |
| CSPro Logic | .apc |
| CSPro Report (HTML) | .html/.htm |
| CSPro Report | [no default extensions] |
| CSPro Messages | .mgf |
| CSPro Action Invoker | [no default extensions] |
| CSPro HTML Dialog | .html (in dialogs directory) |
| CSPro Document | .csdoc |
| CSPro Specification File (JSON) | .ent, .bch, .xtb,.csprops, .dcf, .cmp, .csds, .cspack, .exf, .fqf, .ssf, .xl2cs |
| CSPro Specification File (INI) | .ent, .bch, .xtb,.csprops, .dcf, .cmp, .exf, .fqf, .ssf, .xl2c |
| HTML | .cshtml |
| JavaScript | .js, .mjs |
| JSON | .json .geojson |
| SQL | .sql |
| YAML | .qsf |
| None (Text) | Any other |