Originally Posted by SouthArk370Z

Windows: Copy file to hard drive, USB stick, etc. Change extension of copy to "txt" (eg, log.dat becomes log.txt). Double-click on copy's icon (or drag copy's icon to your favorite text editor's icon).

This should open file in your default (or favorite) text editor. If it looks like a bunch of gobbledy-gook, you'll probably need a special reader.