I have a windows .exe file, but the source code for it is missing. The developer was not responsible and left our company. I think it was a delphi/pascal program. The develop
You mentioned that you "think" it was written in Delphi. If you are not sure, then you can use this small utility. It is just a command line tool- the usage is "IsDelphi.exe ".
If it is indeed written in Delphi, then the Interactive Delphi Reconstructor can do amazing things. Here are step-by-step instructions for using it:
Go to that link
Download three files:
a) The exe
b) The support dll
c) The 'dictionary' for the version of Delphi your former coworker used
Extract all three
(use 7-zip if you don't already have a rar file extractor)
Finally, you can find some more general guidelines as well as links to additional tools at this page.
Good luck!