https://forums.autodesk.com/t5/revit-structure-forum/documentation-for-ifc-specific-files/m-p/9605038#M19507 <P>The Wayback Machine (<A href="https://web.archive.org/" target="_blank">https://web.archive.org/</A>) can help. <A href="https://web.archive.org/web/20191114163558/http://revit.autodesk.com/library/html/index.html" target="_blank" rel="noopener">HERE</A>&nbsp;Autodesk page from 2019</P> <P>&nbsp;</P> Sat, 27 Jun 2020 11:25:08 GMT L.Maas 2020-06-27T11:25:08Z https://forums.autodesk.com/t5/revit-structure-forum/documentation-for-ifc-specific-files/m-p/9597748#M19506 <P>According to the docs&nbsp;<A href="https://knowledge.autodesk.com/support/revit-products/learn-explore/caas/CloudHelp/cloudhelp/2020/ENU/Revit-DocumentPresent/files/GUID-4EED7335-DCC7-48AD-A8BD-8156CAB27A33-htm.html" target="_blank" rel="noopener">https://knowledge.autodesk.com/support/revit-products/learn-explore/caas/CloudHelp/cloudhelp/2020/ENU/Revit-DocumentPresent/files/GUID-4EED7335-DCC7-48AD-A8BD-8156CAB27A33-htm.html</A>&nbsp;, the option to use&nbsp;<STRONG>IFC Parameter Upgrade.rvt&nbsp;</STRONG>is available.</P><P>&nbsp;</P><P>I want to create a mapping from revit to ifc at the family level. The link specifired in the doc does not exist&nbsp;<A href="http://revit.autodesk.com/library/html/index.html&nbsp;" target="_blank" rel="noopener">http://revit.autodesk.com/library/html/index.html&nbsp;</A>&nbsp;</P> Wed, 24 Jun 2020 08:05:33 GMT https://forums.autodesk.com/t5/revit-structure-forum/documentation-for-ifc-specific-files/m-p/9597748#M19506 Anonymous 2020-06-24T08:05:33Z https://forums.autodesk.com/t5/revit-structure-forum/documentation-for-ifc-specific-files/m-p/9605038#M19507 <P>The Wayback Machine (<A href="https://web.archive.org/" target="_blank">https://web.archive.org/</A>) can help. <A href="https://web.archive.org/web/20191114163558/http://revit.autodesk.com/library/html/index.html" target="_blank" rel="noopener">HERE</A>&nbsp;Autodesk page from 2019</P> <P>&nbsp;</P> Sat, 27 Jun 2020 11:25:08 GMT https://forums.autodesk.com/t5/revit-structure-forum/documentation-for-ifc-specific-files/m-p/9605038#M19507 L.Maas 2020-06-27T11:25:08Z https://forums.autodesk.com/t5/revit-structure-forum/documentation-for-ifc-specific-files/m-p/9671796#M19508 <P>Has anyone managed to find these files? I cannot find them even through that link.</P> Tue, 04 Aug 2020 11:34:01 GMT https://forums.autodesk.com/t5/revit-structure-forum/documentation-for-ifc-specific-files/m-p/9671796#M19508 bimeng.dagmara.cwiek 2020-08-04T11:34:01Z https://forums.autodesk.com/t5/revit-structure-forum/documentation-for-ifc-specific-files/m-p/9673718#M19509 <P>They are still there</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Capture.JPG" style="width: 652px;"><img src="https://forums.autodesk.com/t5/image/serverpage/image-id/803479iAF554CA32447AE6D/image-dimensions/652x372?v=v2" width="652" height="372" role="button" title="Capture.JPG" alt="Capture.JPG" /></span></P> <P>&nbsp;</P> <P>As several people have requested these files I downloaded them (snaphot <A href="https://web.archive.org/web/20191114163558/http://revit.autodesk.com/library/html/index.html" target="_blank" rel="noopener">waybackmachine</A> from 2019) and attached them as a zip file</P> Wed, 05 Aug 2020 07:22:20 GMT https://forums.autodesk.com/t5/revit-structure-forum/documentation-for-ifc-specific-files/m-p/9673718#M19509 L.Maas 2020-08-05T07:22:20Z