.bw file: how to open it on Windows

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

About the format

Format

Silicon Graphics Image

MIME type

image/x-sgi-bw

PRONOM identifier

x-fmt/140

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

• 
  XnView MP

  Professional Image Viewer & Photo Management

  Proprietary 1.12.2.0 436.9K ↓
• G
  GIMP

  GIMP is an acronym for GNU Image Manipulation Program. It is a freely distributed program for such tasks as photo retouching, image composition and image authoring.

  Open source 2.10.38
• G
  GIMP

  GIMP is an acronym for GNU Image Manipulation Program. It is a freely distributed program for such tasks as photo retouching, image composition and image authoring.

  Open source 3.2.6.0
• 
  SageThumbs

  A powerful shell extension allowing to preview enormous amount of image formats directly in Windows Explorer.

  Open source 2.0.0.23 14.6K ↓
• 
  qView

  An image viewer designed with minimalism and usability in mind.

  Open source 7.1 ★ 3.7K
• V
  VStitcher

  Industry's leading 3D fashion design and development software.

  Proprietary 2026.2

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