yeah, all the above are correct. Notepad is a very small text editor that
comes with all versions of windows for free sort of. It's buried in the
Accessories folder along with it's bigger brother Wordpad. When you make a
file the software you use to make it, adds a 3 letter extension to the end
of the name you give the file. The extension is how the software can
recognize it's children later when you go to open the file. The file
association thing in windows associates programs with extensions. Adobe
uses the .pdf extension, Notepad uses .txt, and WordPad uses .doc. When
something doesn't open correctly, as a previous post pointed out, the
associaations may have gotten mixed up, but in your case it's just a matter
of not having the software installed that can read the file. When you have
trouble like this, right click on the file and a menu will come up, one
choice of which will be "Open With." Click on that and you will see a list
of all the programs on your computer that has registered its file extension
with windows. Anyone you click on will launch that program and try to load
the file. Be careful though, because there is a little box on the bottom
that defaults with a check in it. It says, ALWAYS use this program to open
this file, so if its wrong, it will always be wrong until you correct it, so
the safest bet is to uncheck the box, and keep launching programs until one
works, and then put a check in the box.
I use notepad all the time because it is so fast and it creates extremely
tiny files. Also, if you run it, hit the F5 button, and watch what happens,
it's great.
Mike.