I went looking today for the GCRI (Granite Cross Release interoperability) plugin that allows older versions to open files from newer (2 or 3 releases back, I think), and I couldn't find it. A Google search for "GCRI" or "Granite Cross Release interoperability" came up empty as did a search here at PTC.com. I found a link in an old email to the page for it (http://www.ptc.com/products/granite/gcri/free-download.htm)
Or, I suppose, to do the cardinal sin of data duplication (and for those not wanting to bother with their ptc account):
* GCRI method * Use GRANITE(r)-Based Cross-Release Interoperability (GCRI) Functionality Implemented Starting in Pro/ENGINEER Wildfire 3.0 * For description of GCRI and instructions for its use, refer to TPI 132326<">https://www.ptc.com/appserver/cs/view/solution.jsp?n=132326> * Capabilities, Benefits and Support of GCRI<">http://www.ptc.com/products/granite/gcri/index.htm> * Refer to Notes and Limitations document<">http://www.ptc.com/WCMS/files/62617/en/GCRI_Operational_Use_And_Limitations.pdf> * For example, cross sections, simplified representations and drawings are not supported with GCRI * only read-only access to existing features, but capability to add new feature * Where to download the readnewermodels.dll file * For Pro/ENGINEER Wildfire 3.0 - 5.0, Creo Elements/Pro 5.0<">http://support.ptc.com/products/granite/gcri/free-download.htm> * For Creo Parametric 1.0 - 2.0 * Copy readnewermodels.dll from <creo load=" point=">\Common Files\<datecode>\<machine_type>\gcri * Where <machine_type> equals x86e_win64 for 64-bit installation or i486_nt for 32-bit * For Creo Parametric 3.0 * Copy readnewermodels.dll from <creo load=" point=">\<datecode>\Common Files\<machine_type>\gcri * Where to put into readnewermodels.dll file * For Pro/ENGINEER Wildfire 3.0 - 5.0, Creo Elements/Pro 5.0 * Put the readnewermodels.dll into <pro enginer=" load=" point=">\<machine_type>\obj\ * For Creo Parametric 1.0 - 2.0 * Put the readnewermodels.dll into <creo load=" point=">\common files\<datecodes>\<machine_type>\obj\ BK
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