Modifying masking format
To modify an existing masking format:
Open Application Data Protection.
In the left pane, click Masking Format. The list of masking formats is displayed.
Click the overflow icon () corresponding to the masking format that you want to modify. The Edit Masking Format screen shows the format details.
Modify the format details and click Update. you can modify the following fields:
Name
Show
Mask
Start Characters
Last Characters
Masking Character
A message stating, Masking format updated successfully is displayed.