1. Open Blackbaud CRM. From Administration
  2. Click Countries and states under Configuration.
  3. On the Countries tab, click the double arrows beside the country with an empty value in the ISO column.
  4. After the row expands, click Edit.
  5. When the Edit country screen appears, in the ISO 3166 two-letter code field: enter the international, standardized two-letter code for the country as set by the International Organization for Standardization (ISO).

For example, enter GB for the United Kingdom or US for the United States of America.