The SPD file extension is generated by SPSS, a software application that is used for statistical analysis purposes. It was first developed by SPSS Inc, who sold the software for many years before it was acquired by IBM in 2009.
It allows statisticians to create inert forms for customizable statistics.
.spd File Extension
Developer:
IBM
什么是 spd 档案以及打开它的方法 - SPSS Custom Dialog File
开发商:
IBM