I have a
.bup file which is supposed to be a Progress database file.
My question is, how can I open/restore it and look at the data?
You need to have Progress installed. In it you will find a command:
To make things easier for yourself you could start the Progress command line environment (it should be in the bin directory in your installation path). Simply run
so for example
A specific description of the prorest command can be found here: Progress KnowledgeBase Article 99033