A KRC file contains a macro created by Mouse and Key Recorder, a program used to record and replay mouse actions and keystrokes. It stores a macro, which consists of mouse clicks and keystrokes recorded by a user to automate common tasks on a computer, such as moving files to another location or modifying an image in an image editor.

KRC file open in Kra-Tronic Corporation Mouse and Key Recorder 8 The KRC file is the main file type associated with Mouse and Key Recorder and is created when a user saves a recorded macro. To create a KRC file, select File → Save or Save as.... To open a KRC file, select File → Open... and navigate to the location of the KRC file. KRC files are saved by default in the following directory: /Users/[username]/Documents/Recorder/ Mouse and Key Recorder is commonly used to record actions in office productivity applications, such as Microsoft Word or Excel. Some examples of action recorded in KRC files include adding text to a word processing document or entering data into a spreadsheet.