Second part of a split .ZIP archive created with ZipSplitter; saved along with other parts, named .S00, .S02, etc; can be extracted by running the .EXE file included with the split archive files.
Program(s) that open s01 files
Windows: Lithops Software ZipSplitter
Information from FileInfo.com - The File Extensions Resource.
http://www.fileinfo.com/extension/s01
