What is .ECO file extension?
Database of information saved by ECCO, a personal information management program; may include calendar, phone book, spreadsheets, notes, and other data.
ECCO and ECCO Pro were originally developed by Arabesque Software, then were acquired by NetManage, and were later discontinued. A legacy version of Ecco is now available as a free download.
You can see a list of software programs here on www.easyfileopener.org that can open this file type so that you don’t need to search for it on the web. You can then open your file with this extension using a software listed below.