| File Extension: | CNA |
| File Type Description: | Catena Project |
| File Type Developer: | OpEx Software LLC |
| Primary Associated Software: | OpEx Catena |
| Primary Software Developer: | OpEx Software LLC |
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OpEx Catena is the primary software program that utilizes the Catena Project file, originally developed by OpEx Software LLC. Website visitor analysis indicates that CNA files are commonly found on Windows 10 user machines, and are most popular in United States. Statisically, these users are most likely running the Google Chrome internet browser.
 | OpEx Catena by OpEx Software LLC |
| Windows 10 | Windows 11 | Windows 6 | Windows 8.1 |
 | Windows |
 | Mac |
 | Linux |
| Extension | File Type Developer | File Category | File Type Description |
|---|---|---|---|
| .GIM | Sony | Raster Image Files | PlayStation Portable Image File |
| .FORMATTER | Apple | Data Files | Golden Orchard Apple II CD Rom File |
| .RP4 | RescuePro Production GbR | Data Files | RescuePro Physician Invoice File |
| .KSA | Kubotek Corporation | Data Files | KeyCreator Settings Archive File |
| .ELSEWHERE | Unknown Developer | Data Files | Unknown Apple II File. (found On Golden Orchard Apple II CD Rom) |
| .Y04 | Corel Corporation | Data Files | Corel Paradox Secondary Index |
| .FLEX | Unknown Developer | Data Files | Flexi Data Smoothing File |
| .MEDLINE | National Library of Medicine | Data Files | MEDLINE Document |
| .EDI | Unknown Developer | Data Files | Electronic Data Interchange File |
| .RFI | Astronomical Institute of the Czech Academyof Sciences | Data Files | SPEFO Stellar Spectra Analysis Data |
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