Hmm...must be blind or dumb or both
 

I cannot find any way to increase the size of the inbox for private messaging in the Admin CP.

Anyone able to tell me what I need to change to increase our user's inbox sizes? Meaning, they click on Private Messages and it tells them something like this:

"You have 34 messages stored, of a total 100 allowed."

I want that 100 to be increased.

edit usergroup to increase the amount of pms that group can use you cant do it for one person. If your admin them all admin will have the same amount of pms allowed. I`m new to this type of forum to.

yup, just like pein said, it's a usergroup setting unless you've added another hack