Modern versions of COMSOL can usually open 3.5 files, but because the underlying architecture changed drastically with version 4.0, you may need to re-apply certain boundary conditions or mesh settings to get them to run in the current environment. Conclusion
Version 3.5 introduced several "quality of life" improvements that defined the user experience for years:
Would you like specific details on any module, a comparison with newer versions, or help finding archived documentation for 3.5?
Modern versions of COMSOL can usually open 3.5 files, but because the underlying architecture changed drastically with version 4.0, you may need to re-apply certain boundary conditions or mesh settings to get them to run in the current environment. Conclusion
Version 3.5 introduced several "quality of life" improvements that defined the user experience for years: comsol 3.5
Would you like specific details on any module, a comparison with newer versions, or help finding archived documentation for 3.5? Modern versions of COMSOL can usually open 3