Once a category is defined (1) please follow the steps:
1. Right click over one of the structures on data matrix (see 2 from Fig.1 below)
2. Select Save to SMI file (see 3)
3. Browse the folder where you want to save the file, gave the name of the file and click Save (see 4)
4. Once the file is saved, open the file by using Excel or Notepad program (see Fig.2)
Fig. 1 How to save the category
Fig. 2 Open saved category via Excel file format