Ensure FFEDITC_UNICODE.EXE and its associated DLLs from the MSTS Utils\FFEDIT folder are copied into the same directory as SFM25.
If uncompressing yields a "File not updated" error, verify that FFEDITC_UNICODE.EXE is present in the SFM folder and that the shape file is not marked as "Read Only".
This error often occurs if Windows tries to open the .hta file with the wrong program. It should be opened with the Microsoft (R) HTML Application host .
Extract the SFM25 files into an existing Shape File Manager folder or create a new directory (e.g., C:\Shape File Mgr ).
is a critical utility for Microsoft Train Simulator (MSTS) and Open Rails (OR) enthusiasts, designed to modify 3D shape files ( .s ) without needing the original source models. While it is an older tool, it remains the standard for quick adjustments like scaling, rotating, or uncompressing files for manual editing. Core Features of SFM 2.5
Adjust texture modes, MIP Map levels, and viewing distances.
Some users report errors when uncompressing files on Windows 11. Running the utility from outside the Program Files directory often resolves permission issues. Common Troubleshooting
On Windows 7 or higher (64-bit), avoid placing the tool in C:\Program Files (x86) to prevent User Account Control (UAC) from blocking file modifications.
