A concise summary of thoughts about he CSV export functionality is that this is definitely a step in the right direction, but the data pulled for export could benefit from some curation. Further, field labels may be more useful if they match the field labels employed on the staff interface of the application. The order of the display of the fields in the CSV export of data may also benefit from some edits.
Accessions
Resources
Digital Objects
The Download CSV functionality for ArchivesSpace v.1.5.0 RC1 exports 413 fields of digital object data.