For other people hitting this page (and bearing in mind I'm a complete SAS noob), this may help.   The file dialog (version 1.43) didn't let me select an .sd2 file extension, but just directly typing "*.sd2" into the filename part of the dialog then allowed me to select .sd2 files.   When opening an .sd2 file, I got the same error message with "associated index which was not found".  It did show me a table with a name and number of variables.  For want of a better idea, I tried changing the name of the .sd2 file to match the name shown in that table (it was different).  And all of a sudden it worked!   I'm a SAS noob, but awesome to see SAS providing a utility for this, and good to see a helpful community 🙂 ... View more