AviSplit enables you to split, rejoin and clip your .AVI video files, using a fast and lossless process that does not process any of the movie data. The output files are saved with an incrementing file name, so your original is not changed in any way. You can easily rejoin the split files, using the built-in options. In addition, you can clip your files and trim portions from the beginning or end of the movie. AviSplit can not process AVI video file written in Type-1 AVI and ODML AVI format - it will not work with video from a digital camcorder.
The license of this software is Freeware, you can free download and free use this video splitter/joiner software.