REFPROP 9.1 is a reliable workhorse, but it is aging. If you encounter persistent issues, consider:
. You can change this during setup, but do not manually rename any internal files or subdirectories after installation. Linking with Other Applications Excel Add-in : To use REFPROP in Excel, navigate to File > Options > Add-ins for Excel Add-ins, then C:\Program Files\REFPROP folder to select REFPROP.xlam Environment Variables refprop 91 install
Excel blocks the .xlam macro file due to strict security settings. REFPROP 9
Sarah’s journey began with a search for the sacred installation files. Unlike modern apps, REFPROP 9.1 often arrived on a physical CD-ROM. She inserted the disc and carefully ran the installer, watching as it carved out its home in C:\Program Files\REFPROP Linking with Other Applications Excel Add-in : To
If you no longer have your serial or license file, unfortunately, you cannot complete the installation. Contact NIST’s REFPROP support, but note they may not support version 9.1 in 2025.