vitaltable file
A .vitaltable file is Vital's native wavetable format — a readable JSON document describing how the wavetable was built, rather than the audio itself.
It stores the wavetable's construction — sources, modifiers, keyframes — so opening it in Vital restores an editable table instead of a finished stack of frames. For interchange Vital exports ordinary packed WAVs — 256 frames of 2048 samples with a 'clm ' chunk — which is the copy you hand to other synths.