.CSI File Extension
File Type 1ContentServ Include File
What is a CSI file?
Source code file that may be referenced by other files within a ContentServ project; contains code that may include functions, variables, and other objects that can be used by other project files.
File Type 2EdLog Program Data File
.CSI File Association 2
Custom data logging program created with EdLog, a program included with LoggerNet software; developed to work with Campell Scientific CR10X data loggers; contains program code, which can be compiled into a .DLD file.