What is a hex file and how do I open a hex file?
HEX, or Hexadecimal source file contains settings, configuration information, or other data saved in a hexadecimal format, and may be stored in either a binary or text format. Binary hex files can only be opened with hex-editing programs. Text-based hex files can be opened and edited with a text editor.
Relevant hex file links:How to open hex file on Youtube
How to open hex file on Wikipedia
How to open hex file on Microsoft.com