When I click "Export to OpenProj (beta)", then open-proj.xml file is downloaded to my system.
But, I am not able to open this xml file with OpenProj 1.4 in my linux machine.
The OpenProj details are as follows:
Copyright 2004-2008 Serena Software Inc. All Rights Reserved
Please let me know how can I open it in OpenProj and edit the same and re-upload.