: In "scene" releases (common in file-sharing), large files like movies (e.g., 710 MB) are often split into multiple smaller RAR volumes (historically 1.44 MB, 5 MB, or 50 MB each) to facilitate easier downloading over unstable connections. How to View the Contents
Because "MB" is a general unit of digital storage, several distinct types of content are commonly associated with archives named this way: Common Content Types MB.rar
To see what is specifically inside your "MB.rar" file, you must use an extraction tool: Supplementary data for - IOP Science : In "scene" releases (common in file-sharing), large

: In "scene" releases (common in file-sharing), large files like movies (e.g., 710 MB) are often split into multiple smaller RAR volumes (historically 1.44 MB, 5 MB, or 50 MB each) to facilitate easier downloading over unstable connections. How to View the Contents
Because "MB" is a general unit of digital storage, several distinct types of content are commonly associated with archives named this way: Common Content Types
To see what is specifically inside your "MB.rar" file, you must use an extraction tool: Supplementary data for - IOP Science