Adding option set values(more than 50) in crm 2013

Jun 25, 2014 at 9:20 AM
Is there any way we can add more than 90 plus option set values without adding one by one from Settings->Customization->Customize the system->Entities->Case->fields.

Ex: In case entity we have "caseorgin" attribute/field of type option set. It has values like
Consider I need to add some extra 90 plus values. Is there any other alternative so that I can add all these values at one shot. Like importing from an excel file etc.
Jun 25, 2014 at 9:33 AM

About one year ago (or more), I worked on a tool that allows to import optionset values but it cannot import values on existing optionset.

You can write your own program that does the job. Here is an example for a global optionset :
Jun 25, 2014 at 9:46 AM
Thanks for the reply. Even I was able to create option set values for new attribute by importing but not able to update an existing option set. As you mentioned I have to try something my own.