.CIW

.CIW file extension

This is the basic program to work with .CIW extension

Citavi

CitaviCommon Export Format

Citavi is a reference management program for Windows users. You can search resources worldwide, manage references, analyze and highlight texts, save ideas and structure your work, highlight important text passages in PDFs and click to save them in Citavi (along with their source information and page numbers), and more... (more)

The program works with the following extensions: ctv, ciw