.mcr file: how to open it on Windows

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

• 
  NBTExplorer

  A graphical NBT editor for all Minecraft NBT data sources.

  Open source 2.8.0.0 ★ 3.1K
• I
  IsoBuster

  The Ultimate Data Recovery Software

  Proprietary 5.8

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