.ecw file: how to open it on Windows

2 Windows apps register the .ecw extension. Install one of them to open the file with a double-click.

About the format

Format

Enhanced Compression Wavelet

PRONOM identifier

fmt/371, fmt/1235

Format data: freedesktop.org shared-mime-info and PRONOM (The National Archives, UK).

• 
  IrfanView

  Fast and compact image viewer and converter

  Free 4.76 2.9M ↓
• M
  MapTiler Engine

  Software for converting your data into fast zoomable maps.

  Proprietary 14.2.0

Related guide: Change the default app for a file type in Windows