{"success":true,"data":{"ext":"sou","name":"Visual Studio Solution User Options file","description":"Visual Studio Solution User Options (.sou) is a Microsoft file format maintained by Microsoft for storing per-user settings associated with Visual Studio solution files. It is used to preserve workspace preferences, window layouts, and other solution-specific options across development sessions. The format is generally safe, though, as with other application data files, it should be opened only with trusted software and may not be useful outside legacy Visual Studio workflows.","mime":[],"risk_level":"Safe","signatures":[{"hex":"D0 CF 11 E0 A1 B1 1A E1","offset":0,"sources":[{"name":"Gary Kessler","url":"https://www.garykessler.net/library/file_sigs_GCK_latest.html"}]}],"related":["opt"],"usage":{"python":"def is_sou(file_path: str) -> bool:\n    \"\"\"Check if file is a valid SOU by magic bytes.\"\"\"\n    signature = bytes([0xD0, 0xCF, 0x11, 0xE0, 0xA1, 0xB1, 0x1A, 0xE1])\n    with open(file_path, \"rb\") as f:\n        return f.read(8) == signature","node":"function isSOU(buffer: Buffer): boolean {\n  const signature = Buffer.from([0xD0, 0xCF, 0x11, 0xE0, 0xA1, 0xB1, 0x1A, 0xE1]);\n  return buffer.subarray(0, 8).equals(signature);\n}","go":"func IsSOU(data []byte) bool {\n    signature := []byte{0xD0, 0xCF, 0x11, 0xE0, 0xA1, 0xB1, 0x1A, 0xE1}\n    if len(data) < 8 {\n        return false\n    }\n    return bytes.Equal(data[:8], signature)\n}"}}}