Merlin’s Delphi Forge

You shouldn’t have too much problem opening a Delphi 4 form in Delphi 2 but you won’t have luck opening a 32 bit or C++ Builder form in Delphi 1. The only way is to save the file in text form. Delphi 5 can do this automatically but in all the previous versions you have [...]

* Delphi 1 supports Windows 3.1x so programs compiled should run with no problems under operating systems that provide Windows 3.1 emulation, like OS/2 Warp, Windows 9x, NT, 2000, ME and XP and Linux with WinE.
* Delphi 2 and newer support Windows 95/98/NT/2000/ME/XP or Linux with WinE. Programs compiled with [...]