.DSYM File Extension

Xcode Debug Symbols File

Developer Apple
3.2  |  6 Votes

What is a DSYM file?

Debugging information file generated by Apple's Xcode development software; produced during the debugging process if the Debug Information Format is set to "DWARF with dSYM;" saved in a package format that can be opened by right-clicking the file and selecting "Show Package Contents."

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DWARF stands for "Debugging with Attributed Record Formats." It is used by Xcode to generate debug symbols, which can be stripped from the final executable before distribution.

DSYM files have a ".dSYM" extension.

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Programs that open or reference DSYM files


Digital Symphony Module

Developer Oregan Developments
3.0  |  2 Votes

A DSYM file may also be an audio module created by Oregan Developments Digital Symphony, a professional music sequencer for RISC OS. It contains data that Digital Symphony uses to play a song. While DSYM files are now uncommon, some music trackers and specialized media players can still play them.

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Screenshot of a .dsym file in OpenMPT
DSYM file open in OpenMPT

RISC OS was an operating system used by Acorn Computers' line of Archimedes PCs. Digital Symphony was a music sequencing studio available for RISC OS. It allowed composers to create everything from classical compositions to rave music.

Music created by Digital Symphony could be saved in the program's proprietary Digital Symphony Module, or DSYM, format. This compressed audio format is now mostly obsolete, but sequencer enthusiasts and historians sometimes share DSYM files with each other online.

How to open a DSYM file

You can open a DSYM file with OpenMPT (Windows), Extended Module Player (XMP) (Linux), Vitamin/CAIG ZXTune (multiplatform), or Xmp Mod Player (Android). OpenMPT allows you to both play and edit the song a DSYM file contains.

How to convert a DSYM file

You can use OpenMPT (Windows) to convert the song a DSYM file contains to the following formats:

  • .MID - MIDI File
  • .IT - Impulse Tracker Module
  • .WAV - WAVE Audio File
  • .FLAC - Free Lossless Audio Codec File
  • .AU - Audacity Audio File
  • .OPUS - Opus Audio File
  • .OGG - Ogg Vorbis Audio File
  • .RAW - Raw Audio Data
  • .MP3 - MP3 Audio File
  • .MPTM - OpenMPT Module

Programs that open DSYM files

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