.mat file: how to open it on Windows

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

About the format

Format

MATLAB Mat File

PRONOM identifier

fmt/806, fmt/828, fmt/1177, fmt/1550

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

• 
  Winamp

  The legendary Winamp desktop player for Windows

  Proprietary 5.92.0.10042 47.1K ↓
• 
  Nelson

  multi-paradigm programming language and numeric computing environment.

  Open source 1.16.0.5575 2.9K ↓ ★ 132
• T
  Tamara

  Tamara Acoustic Real-time Assessment

  Proprietary 2026.1.6.1
• G
  GNU Backgammon

  Backgammon simulator with support for player-versus-CPU and for match analysis. Supports both GUI and CMD interfaces.

  Open source 1.08.003

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