I've sent like 4 PM's and they're still all sitting in my outbox... these are up to like a week old....

They've not been read by the recepient.

this is most likely the case. check when the last time was that the users you sent it too were online.

The users have since been on many many times after being sent. But I've just "edited" them and now they seem to be sending fine.. maybe it was the computer (school) that i was sending it from.. idk but should all be okay now lol

That doesn't make any sense. The messages aren't being stored anywhere on your computer so any fault would be with the boards software and not the machine you are sending them from. In any case though, as long as the PM's are in the Outbox, it means they haven't been read by the recipient yet.

^ Yeah it makes sense.. I'm quite the young IT Technician.. but don't worry. I worded it wrong there. But it's all okay now anyway. It was just that they hadn't been read..