.ESRI GRID

.ESRI GRID File Extension

Learn what a .esri grid file is, what it is used for, which programs can open it, and how to convert or troubleshoot this file format.

Data File Extension Guide 218 Searches
.ESRI GRID
Esri Grid

Quick Facts

Basic information about this file format

Extension
.ESRI GRID
File Type
Esri Grid
Category
Data
Best first step
Use compatible software

Quick Summary

A practical overview of the .esri grid file format

The Esri Grid format is a raster data storage format used by Esri's ArcGIS software for representing geographic data. It's a fundamental format for storing spatial data as a grid of cells, where each cell represents a specific geographic location and holds a value representing a particular attribut…

File extension .ESRI GRID
File type Esri Grid
Category Data
Recommended action Open with a trusted compatible app

How to open a .esri grid file

Start with a trusted app that supports this format

  • Check the file extension carefully and confirm that the file name really ends with .esri grid.
  • Use software that supports this file type. If one app does not work, try another compatible program for the same platform.
  • Update the application if the file was created by a newer version of the software.
  • Scan files from unknown sources before opening them, especially documents, archives, scripts, installers, and executable files.

What is a .esri grid file?

File extension details and usage information

The Esri Grid format is a raster data storage format used by Esri's ArcGIS software for representing geographic data. It's a fundamental format for storing spatial data as a grid of cells, where each cell represents a specific geographic location and holds a value representing a particular attribute or measurement. This format is particularly well-suited for representing continuous data such as elevation, temperature, rainfall, or population density. Esri Grids can be either integer or floating-point, allowing for the storage of both discrete and continuous data types. The format consists of a directory containing multiple files, including a header file that stores metadata about the grid, such as cell size, spatial extent, and data type. The actual data values are stored in separate data files, often in a binary format for efficient storage and retrieval. Esri Grids are optimized for spatial analysis and visualization within the ArcGIS environment, enabling users to perform operations such as terrain analysis, surface modeling, and spatial interpolation. The format supports various compression techniques to reduce storage space and improve performance. While primarily associated with ArcGIS, other GIS software packages may also provide limited support for reading and writing Esri Grid data.

Software Compatibility

Programs that may open or work with .esri grid files

Windows

Compatible applications

ArcGIS Pro Compatible
ArcMap Compatible
QGIS Compatible
Global Mapper Compatible

macOS

Compatible applications

ArcGIS Pro Compatible
QGIS Compatible
Global Mapper Compatible

Linux

Compatible applications

QGIS Compatible
GRASS GIS Compatible
GDAL Compatible

Mobile

Mobile applications

ArcGIS Field Maps (limited support) Compatible
QField (via QGIS project) Compatible

Can .esri grid files be converted?

Options for saving or exporting this file to another format

In many cases, a .esri grid file can be converted by opening it in compatible software and using an option such as Save As, Export, or Convert. The available output formats depend on the file type and the application used.

  • Use the original software that created the file when possible.
  • Check whether the application supports exporting to common formats.
  • Be careful with online converters when working with private, business, or sensitive files.
  • If conversion fails, the file may be corrupted, incomplete, encrypted, or not actually a .esri grid file.

Why can't I open a .esri grid file?

Common reasons this file type may not open correctly

Wrong software

The file may require a specific program that supports the .esri grid format.

Incorrect extension

The file extension may have been renamed manually, even though the actual file format is different.

Corrupted file

The file may be incomplete, damaged during download, or transferred incorrectly.

Outdated app

Your software may need to be updated before it can open newer versions of this file format.

Frequently Asked Questions

Common questions about .esri grid files

To open a .esri grid file, use software that supports this file format.

  • ArcGIS Pro
  • ArcMap
  • QGIS
  • Global Mapper
  • GRASS GIS

Open the file in compatible software and look for options such as Save As, Export, or Convert. If no export option is available, the file may require a specialized converter or the original application that created it.

  1. Verify that the file extension is correct.
  2. Install or update compatible software.
  3. Try another application that supports this format.
  4. Check whether the file is corrupted, incomplete, or encrypted.

A file extension alone does not guarantee whether a file is safe or unsafe. Only open files from trusted sources, scan unknown files before opening them, and be especially careful with executable, script, archive, and document files.

File safety tips

Use caution with unknown files

Only open files from trusted sources. Before opening a .esri grid file, scan it with antivirus software, verify that the file extension is expected, and avoid running unknown executable, installer, macro-enabled document, or script files.