A system and method for document management are provided. The method relies on a logging system which automatically generates image logs for input documents for each job (print, copy, fax, scan, etc.) processed by the multifunction printing device(s) of an organization. The image logs are processed to identify keywords which are the basis of a search for similar documents among those which have been previously archived as well as documents in other accessible document repositories, including Web documents. The method identifies matching documents and optionally also revisions and related documents. A procedure is provided for ensuring that for each document processed by a multifunction device or other image output device of the organization, image data is archived (or identified as a public document without archiving). The method avoids duplication by using a digital matching document, where available, enabling the images of the image log for the input document to be discarded.