Ensure that "Full Installation" is selected so that all fluid files (.fld) and mixture files (.mix) are included.
If you see #NAME? in Excel, it usually means the REFPROP.xlam is active but it cannot find the REFPROP.dll in the Windows system folders. refprop 91 install
Pro-tip: If you plan on using Python or MATLAB extensively, some users prefer installing to a simpler path like C:\REFPROP to avoid permission issues or "Space in filename" errors in code. Ensure that "Full Installation" is selected so that
Python users typically use the ctypes based wrapper or the popular CoolProp interface to call REFPROP. refprop 91 install