.LVIX File Extension
Lightworks Video Index File
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What is an LVIX file?
File created by Lightworks, a program that enables you to edit video; contains video and audio metadata about .MP4 and .MOV media files used by Lightworks; referenced by Lightworks to refine the editing workflow; similar to the .MXF file.
After a video is imported into Lightworks, the LVIX file is created. It will be located in the Lightworks "Material" folder with the same name as the imported video but with the LVIX extension appended on to the end. If the imported video is named V00P00J.mp4, the new file would be V00P00J.mp4.lvix.