SPSS means “Statistical Package for the Social Sciences” and was first launched in 1968. Since SPSS was acquired by IBM in 2009, it's officially known as IBM SPSS Statistics but most users still just refer to it as “SPSS”.
SPSS is software for editing and analyzing all sorts of data. These data may come from basically any source: scientific research, a customer database, Google Analytics or even the server log files of a website. SPSS can open all file formats that are commonly used for structured data such as
https://www.spss-tutorials.com/spss-what-is-it/ (Visited 2018 October 23)
https://www.spss-tutorials.com/
Free online SPSS tutorial. Extensive tutorial shows how to setup datasets, perform analysis, and create graphs.
http://my.ilstu.edu/~mshesso/SPSS/tutorial.html