https://forums.autodesk.com/t5/autodesk-viewers-forum/old-file-formats-or-versions/m-p/3728870#M237 I have been working with DWG/DWF since the Volo View era and have yet to find any legacy files (DWF/DWG) which the current review applications don't hande. Of course any users still on the old viewer will probably not be able to open DWFx files but DWF output from any generation of software should be fine Sun, 09 Dec 2012 00:10:06 GMT robincapperrcd 2012-12-09T00:10:06Z https://forums.autodesk.com/t5/autodesk-viewers-forum/old-file-formats-or-versions/m-p/3723758#M236 <P>Are there any old&nbsp;file formats that <FONT color="#000080">Autodesk Design Review</FONT> and <FONT color="#000080">DWG TrueView</FONT> together cannot read?&nbsp; Is there any reason to keep<FONT color="#000080"> Volo View</FONT> or <FONT color="#000080">DWF Viewer</FONT>?</P> Wed, 05 Dec 2012 14:48:47 GMT https://forums.autodesk.com/t5/autodesk-viewers-forum/old-file-formats-or-versions/m-p/3723758#M236 Anonymous 2012-12-05T14:48:47Z https://forums.autodesk.com/t5/autodesk-viewers-forum/old-file-formats-or-versions/m-p/3728870#M237 I have been working with DWG/DWF since the Volo View era and have yet to find any legacy files (DWF/DWG) which the current review applications don't hande. Of course any users still on the old viewer will probably not be able to open DWFx files but DWF output from any generation of software should be fine Sun, 09 Dec 2012 00:10:06 GMT https://forums.autodesk.com/t5/autodesk-viewers-forum/old-file-formats-or-versions/m-p/3728870#M237 robincapperrcd 2012-12-09T00:10:06Z https://forums.autodesk.com/t5/autodesk-viewers-forum/old-file-formats-or-versions/m-p/3732106#M238 <P>Thank you, Robin.&nbsp; That's good to know.</P> Tue, 11 Dec 2012 16:44:19 GMT https://forums.autodesk.com/t5/autodesk-viewers-forum/old-file-formats-or-versions/m-p/3732106#M238 Anonymous 2012-12-11T16:44:19Z