You can export EndNote citation file to RIS format using the proper function inside the program.
Convert EndNote citation file to Research Information Systems citation.
We found 3 software records in the database related to .enw to .ris file format conversion.
Microsoft Windows software - convert enw to ris on Windows
Search tool for online bibliographic databases
Convert from enw file format
The tables with software actions are a good pointer for what a certain program does with various file types and often may give users a good hint how to perform certain file conversion, for example the above-mentioned enw to ris. However, it is not perfect and sometimes can show results which are not really usable because of how certain programs work with files and the possible conversion is thus actually not possible at all.
Apple macOS / Mac OS X software - convert enw to ris on OS X
Application to organize bibliographies
Apple iOS (iPhone, iPad, iPod Touch devices) software - convert enw to ris on iOS
App for iPad used to search in bibliographic databases