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The guide is copied from the Cornell University, Research Data Management Service Group ( under the Creative Commons Attribution 4.0 International License. Image Added

A readme file provides information about a data file and is intended to help ensure that the data can be correctly interpreted, by yourself at a later date or by others when sharing or publishing data. Standards-based metadata is generally preferable, but where no appropriate standard exists, for internal use, writing “readme” style metadata is an appropriate strategy.


Create readme files for logical "clusters" “clusters” of data. In many cases it will be appropriate to create one document for a dataset that has multiple, related, similarly formatted files, or files that are logically grouped together for use (e.g. a collection of Matlab scripts). Sometimes it may make sense to create a readme for a single data file.


  1. For each filename, a short description of what data it contains
  2. Format of the file if not obvious from the file name
  3. If the data set includes multiple files that relate to one another, the relationship between the files or a description of the file structure that holds them (possible terminology might include "dataset" or "study" or "data package"“dataset” or “study” or “data package”)
  4. Date that the file was created
  5. Date(s) that the file(s) was updated (versioned) and the nature of the update(s), if applicable
  6. Information about related data collected but that is not in the described dataset