To add an MP4 file to convert input in Power CD+G Burner, you need to make sure that the MP4 file is compatible with the software. Not all versions of Power CD+G Burner support MP4 files for conversion. However, if the software does support MP4 files for conversion, you should be able to add the file by selecting the "Add File" or "Import" option within the program. The input file formats supported for the convert function may vary depending on the version of the software you are using. To know the specific supported formats, it's best to refer to the software's documentation or contact the developer directly.
