VERIFIED SOLUTION i

Using multi-line text annotations in Spectrum Spatial Analyst

Using multiple lines while creating a text annotation in Spectrum Spatial Analyst has been proposed as a new feature request and currently it is scheduled to be implemented in Analyst 2019.1 (19.1) release. Contact Software Support and quote the JIRA ID# 'CONN-39855' to know the current status of the request.
Environment Details
UPDATED:  January 4, 2019