If you can extract text from them, then it shouldn't be a problem. Lucene doesn't do the job of extracting the text. For that you'd have to find something else.
---------------------------------------- > Date: Sat, 19 Feb 2011 13:03:00 +0530 > Subject: Index AutoCAD files > From: luc...@greatminds.co.in > To: lucene-net-dev@lucene.apache.org > > Hi team, > > Is there a way lucene.Net can index AutoCAD files – “*.dwg” files? > > If so, please let me know. > > Can you please provide some insight on the same? > > > > Thanks in advance.. > > > > Regards > > Vignesh