Residual Data


  • Sometimes referred to as “ambient data,” refers to data that is not active on a computer system. Residual data includes:
    1. Data found on media free space;
    2. Data found in file slack space; and
    3. Data within files that has functionally been deleted in that it is not visible using the application with which the file was created, without use of undelete or special data recovery techniques.

    1 2

  • Data that is not currently live on the computer system, including data found in file slack space, data found on media free space, and data from deleted files. Also known as “ambient data.”  3
  • Data that is not active on a computer system such as data in media free space, slack space or files that have been “deleted”. Sometimes called “ambient data.”  4


  1. Merrill Corporation, Electronic Discovery Glossary.
  2. Kroll Ontrack, Glossary of Terms
  3. Vinson & Elkins LLP Practice Support, EDD Glossary.
  4. Legal Electronic Document Institute, Basic Principles of Automated Litigation Support (2005).
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