Here is a PDF document and an example VI with some sample .lvm waveforms on how to use the Multisim export / resample to .lvm feature in Multisim. An example LabVIEW VI is also available that takes an exported .lvm waveform from Multisim and can resample the waveform and save it.
Files:
Multisim Resample in LabVIEW.pdf - Description of exporting waveform from 2 channel oscilloscope and resampling in LabVIEW
Resample Multisim.llb - LabVIEW Library (Resample Multisim.vi is the top level)
*.lvm - Various lvm waveforms to try out lvm import / resample capability