Transfer and view Box files

We recently transfer Box administrator rights to another user.

The new Box administrator was told to go to Admin Console -> Content to view all the Box files from every user except he was only able to view files that were serveral years old, more recent files were not showing.

As an adminstrator of the Box account are you able to view everyone else's files?

How come the new Box Administrator is able to view only some of the user's files?