Business information or reports that are displayed for show but otherwise are largely ignored. (A "credenza" is a cupboard.) Apparently, the employee handbook is just credenza ware—no one has actually reviewed it in years.
See also: ware
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
n. reports that sit on an executive’s credenza, primarily for show. (Contrived.) Everything I send her ends up as credenza ware.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.