neoTextil provides more plugins for converting import and export files for specific extensions and image modes. As sub-plug-ins of neoTextil, they will be installed with neoTextil installation in the Adobe® Photoshop® Plug-in folder.
nT Indexed2Multichannel plugin is used to convert indexed images into multichannel files. Only support for TIF extensions.
Step-by-Step
1. Start the module nT Coverage from the menu File | Automate | nT Indexed2Multichannel...
2. When having an indexed file that uses 8 colors in the color table and opens with the plug-in,
3. then it will generate a new multichannel file according to indexed colors.