A data extract can be de-identified using the De-identify tool menu option within CAT. You must load the data set you wish to de-identify before running the tool.
Click Tools > De-identify Dataset
You will receive a confirmation message once the process had completed
Click OK
The new de-identified dataset will appear in your list of extracts
Figure 85: Completed de-identify message
Figure 86: Original and de-identified datasets in extracts list