ENREF files contain recipes created using a mobile application Evernote Food. Since 30 September 2015 the application is no longer supported by the developer. All ENREF Evernote recipe files synchronized with user account can be viewed using Evernote Food app.

Evernote Food allowed users to save recipes in text or graphical format and synchronized them with their online accounts. Besides recipes, ENREF files may be used to store information about restaurants in the vicinity or pictures of meals.