{"success":true,"data":{"ext":"mxd","name":"ArcMap GIS project file","description":"ArcMap GIS project file is a document format used by Esri, the company behind ArcGIS, to store map composition and layer settings for ArcMap projects. It is used to organize geographic data, cartographic layouts, symbology, and map metadata in desktop GIS workflows and map production. The format is generally safe to open, but it is tied to the legacy ArcMap application and may not be fully supported in newer ArcGIS versions.","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":[],"usage":{"python":"def is_mxd(file_path: str) -> bool:\n    \"\"\"Check if file is a valid MXD 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 isMXD(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 IsMXD(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}"}}}