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Could you please contact us via and provide some addtional data:

  • Computer configuration (CPU, RAM)
  • Where your RAW files reside (internal HDD or SSD, external drive, card reader, network media; connection type for network)
  • Operating system type (Mac, Windows) and version
  • FastRawViewer version (Menu - Help - About on Windows, Menu - FastRawViewer - About on Mac)
  • RAW files type (camera name)

Thanks in advance.


Alex Tutubalin/FastRawViewer team