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*Details: File format summary



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External signatures File extension: shx
Internal signatures
Name ESRI Arc/View ShapeFile Index
Description 100-byte header (file code, version), then first record offset. | Magic No. (4 bytes) | Unused (20 bytes) | File Length (4 bytes) | Version (1000 (decimal), little endian - 4 bytes) | Other - (68 bytes) | First Record No. (4 bytes) |
Byte sequences
Position type Absolute from BOF
Offset 0
Byte order  
Value 0000270A0000000000000000000000000000000000000000{4}E8030000{68}00000032
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