2423 ESRI ArcInfo Grid .nit File GIS Files which comprise part of an ArcInfo Grid, a raster data model storing information in a matrix of cells, with values representing a coordinate, and sometimes linked to an attribute table. ArcInfo Grid models are generated using ArcGIS software, produced by Esri (https://www.esri.com/en-us/arcgis/about-arcgis/overview.) Nit files follow a consistent naming pattern: arcXXXX.nit, where XXXX is an incrementally increasing number starting from 0000, e.g, arc000.nit, arc0001.nit, arc0002.nit. Nit files are always stored in an /info/ directory at the root. They are associated with .dat and .adf files, and their function is to store file structure and field definition information of the grid. 234 National Library of Australia / National Library of Australia 18 Jan 2022 11/2023 (v.115)- Format type changed to GIS and max-offset modified for BOF signature to allow for more exact signature identification. Internally researched 14 Nov 2023 fmt/1596 PUID nit File extension 1935 ESRI ArcInfo Grid .nit File BOF, offset 16: magic bytes .. ÿÿ…. 1 Absolute from BOF 16 0 00(02|04|08)FFFF00010004