MATLAB IBM RS/6000 dynamically linked subroutines
File type: Various data file
The .mexrs6 file extension identifies a MATLAB MEX file containing dynamically linked subroutines compiled for IBM RS/6000 systems.
These files belong to MATLAB and provide compiled functionality that MATLAB can load and call.
File type category:
Various data file
Date updated: September 28, 2026
MEXRS6 files are platform-specific binary components associated with MATLAB, which is developed by MathWorks. They contain compiled dynamically linked subroutine code.
A MATLAB user can call the subroutines from MATLAB code in the same way as other MEX functions. The RS/6000 designation indicates that the file was built for IBM RS/6000 systems and is not generally portable to other MATLAB platforms.
This is a legacy format associated with older IBM RS/6000 MATLAB installations. A current computer will not normally be able to use the file unless it provides a compatible MATLAB environment and the required platform.
Open or load a .mexrs6 file from a compatible MATLAB installation running on an IBM RS/6000 system. It is a compiled MATLAB component, so it is used by calling its function from MATLAB rather than by opening it as a document.
It generally cannot be used directly on Windows, macOS, or other non-compatible platforms. If MATLAB cannot load it, the file may require the original RS/6000 environment or a rebuild from its source code.
A MEXRS6 file cannot be meaningfully converted into a standard document or portable MATLAB data file. Its contents are compiled for the IBM RS/6000 platform.
If the original source code is available, it can be recompiled with MATLAB's MEX build process for the intended target platform. Without the source code and a compatible build environment, there is usually no practical conversion.
Software applications that handle other tasks involving mexrs6 files:
Multiplatform
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