Reason file extensions

[6502]

I'm on a search for all of my Reason files spread out over a few hard drives. I just want to make sure I don't miss any. The files extensions I recall are:

.rsn
.rps
.record
.reason

Are there any I've missed?

Note: I realize there are quite a few when you include the devices, but I was just concerned about the main Reason song files.

[zumBeispiel]

.rsndemo

They are the template songs.

[6502]

.rsndemo

They are the template songs.

Right, thanks.

[ljekio]

Who knows about format .reason file for 7 and 8 versions and what change there?
Why R6.5 can to open project created with R7 but R7 cannot open R8 empty project?
Combi and RV7000 patches created with R8 I can to open in R7.