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CDR may refer to:


  • Carbon dioxide removal, ways to remove carbon dioxide from the atmosphere
  • Call detail record, a record of a (billing) event produced by a telecommunication network element
  • Charging data record, a record of a (billing) event produced by a data network element in 3GPP networks
  • China Digital Radio, a Chinese standard for digital radio broadcasting; competitor to DAB, HD Radio, DRM+
  • Climate Data Record, a time series of measurements of sufficient length, consistency, and continuity to determine climate variability and change
  • Committed data rate, in telecommunications, related to the committed information rate
  • Crash Data Retrieval, a tool for imaging or downloading data from an Event data recorder


  • CD-R, a recordable compact disc format
  • CAR and CDR, in the programming language Lisp
  • CDR (file format), native to CorelDRAW
  • .cdr, the file extension used for ISO 9660 disk images created by Disk Utility in Mac OS X
  • Clock and data recovery, a method of synchronizing with serialized data received without a clock signal
  • Common Data Representation, a format used to represent data types during remote invocations on Common Object Request Broker Architecture
  • Content Disarm & Reconstruction, a computer security technology that removes malicious code from files by processing all incoming files of an enterprise network, deconstructing them, and removing the elements that do not match the file type's standards or set policies.



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