.DVO File Extension

File created by Cook'n, a program that allows users to organize cookbook recipes; contains a cookbook, including recipes, meal menus, ingredients, pictures, and search information; used to store, search, and share recipes.

To import a DVO cookbook file in Cook'n, select File → Import → Cook'n Recipe File. Similarly, to export a DVO file, select File → Export → Cook'n Recipe File.

Cook'n cookbook backups are stored as .CK9 files.