Click the "Select File" button above, and choose your S8 file.
You'll see a preview.
Click the "Convert file to..." button to save your file in the format you want.
Convert S8 to another file type
The converter easily converts your S8 file to various formats - free and online. No SIMUL8 or or other Data software needed.
S8 to APNG
S8 to MJPEG
S8 to SPDIF
S8 to OGA
S8 to HEVC
S8 to H263
S8 to MMF
S8 to MKA
S8 to AIFF
S8 to AC3
S8 to SWF
S8 to MXF
Convert a file to S8
To convert other file formats to the "Process Simulation File" file type, you need software like SIMUL8 or a similar tool.
About S8 files
The .S8 file extension is a proprietary format most commonly associated with SIMUL8, a specialized tool for process simulation and modeling. These files store the visual layout, logic rules, and statistical distributions of a simulation - essentially a digital twin of a real-world process like a manufacturing line or hospital ER. The primary disadvantage of the S8 format is its strict vendor lock-in; you generally cannot open, view, or edit these files without a valid, paid license of the SIMUL8 software, making data sharing difficult with non-users.
Beyond the corporate sector, .S8 appears as a legacy container format in video games. In titles like Sangokushi VIII by Koei or Lineage II by NCSoft, these files function as archives for sprites and graphical assets. These variations are notoriously difficult to handle, often requiring obscure, community-built extraction tools to access the content.
Conversion Recommendations:
For Data Analysis: If you have access to the source software, export the simulation results to CSV or XLSX (Excel) to bypass the proprietary format.
For Archiving/Sharing: Print the simulation visual logic to PDF or capture screenshots as PNG.
For Game Assets: Use specific sprite extractors to convert internal graphics to standard PNG or BMP images for preservation.
Use Convert.Guru to open and convert your S8 file.
If you want to convert S8 file to TMP, TEMP, CACHE, LOG, BAK, OLD, NEW, PART, DOWNLOAD, CRDOWNLOAD, LOCK or PID, you can use SIMUL8 or similar software from the "Simulation Model Data" category. In the File menu, look for Save As… or Export….
To convert DEVICE, CACHE, SOCK, SYMLINK, PID, MOUNT, FIFO, LOG, PIPE, TMP, JUNCTION or TEMP files to S8, try SIMUL8 or another comparable tool in the "Simulation Model Data" category.
The S8 Converter Story
The history of Convert.Guru began over 25 years ago in California with Tom Simondi’s file-format database. A former contributor to Space Shuttle development and a software pioneer of the 1980s, Simondi established a trusted resource for file type analysis that was even referenced by Microsoft Windows XP. Today, we use modern technology to process and convert thousands of file formats while continually improving our S8 converter.