Redistributable Libraries
SigmaXL uses libraries which may not have been included with your default installation of MS Office. The following links will allow you to download these libraries directly from Microsoft's Website.
Redistributables for 32-bit installations of MS Office
Visual Studio C++ 2015-2019 Visual Studio C++ 2013 Visual Studio C++ 2012 Update 4 Visual Studio C++ 2010 Redistributables for 64-bit installations of MS Office