To which files are you referring exactly?
You can always download the full archive of a run and take files from there to run HADDOCK locally.
Refer to the online manual for instructions:
http://www.bonvinlab.org/software/haddock2.2/manual/
http://www.bonvinlab.org/software/haddock2.2/tutorials/
And the procedure is also explained in the following article:
J.P.G.L.M Rodrigues, E. Karaca and A.M.J.J. Bonvin. Information-driven structural modelling of protein-protein interactions. Methods in Molecular Biology: Molecular Modelling of Proteins. Ed. Andreas Kokul. Humana Press Inc. 399-424 (2015).