The application version number is the first listed (and larger) version number. It consists of four numbers separated by periods; for example: 3.3.6.3. This number relates to functional updates or software enhancements to the product.
The data version number is the second listed (and smaller) version number. It consists of three numbers separated by periods; for example: 2.1.2. This number relates to the data updates or data logic of the product.
Together, these version numbers make up the complete version of the software installed on your machine. The version numbers written together appear as: 3.3.6.3[2.1.2]. This combined numerical format is used to name update files found in the installation downloads.
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