You have two alternatives to use .
mat files in LabVIEW:
1. You could use the
MATLAB® DataPlugin , After installing the dataplugin, you can use the LabVIEW Data Storage VIs to manipulate .mat files.
2. Another option is the
MAT-File IO Library for LabVIEW, this is a third-party library not supported directly by National Instruments and distributed throught the
VI Package Manager. After installing the library you can refer to the examples available in C:\Program Files (x86)\National Instruments\LabVIEW XXXX\examples\matio (XXXX,is your LabVIEW version)
Additional Information
For more information about dataplugins refer to
Using DataPlugins with LabVIEW