"open-file." YourDictionary, n.d. Web. 12 October 2018. <http://www.yourdictionary.com/open-file>.
open-file. (n.d.). Retrieved October 12th, 2018, from http://www.yourdictionary.com/open-file
open file - Computer Definition
A file, typically a disk file, that has been made available to the application by the operating system for reading and/or writing. All files must be "opened" before they can be accessed and "closed" when no longer required.