A: ScreenShots are taken by pressing the - (minus) key to the far right of the keyboard.
This is NOT the key above the P key but the one to the right of the NumLock key on the 10 key section (numbers) on the far right of standard PC keyboards.
Q: Where does the game save my ScreenShots on my computer?
A: This depends on what expansion you are running.
Q: In what format does DAoC save ScreenShots on my computer?
A: DAoC saves ScreenShots as 1024 X 768 JPEG's.
The file naming scheme starts with sshot000, then goes to sshot001, then sshot002, ect...