Heroes of Might and Magic III script
File type: Game file
An ert file contains script data for Heroes of Might & Magic III: The Restoration of Erathia, the Microsoft Windows strategy game.
The game loads the file as part of its own data rather than treating it as a standalone document.
Found 2 different file type records with the same ert filename suffix.
File type category:
Game file
Date updated: October 12, 2026
The ert file extension is associated with Heroes of Might & Magic III: The Restoration of Erathia, a turn-based strategy game developed by New World Computing and published by The 3DO Company for Microsoft Windows.
An ert file stores a script used by Heroes III. The game reads this script to provide game-specific behavior or content as part of its installed data.
On Microsoft Windows, an ert file is intended to be loaded by a compatible installation of Heroes of Might & Magic III: The Restoration of Erathia. Place it where the game or a compatible modification expects its script files, then start the game.
The file is not normally opened as an independent document. A text editor or script-editing tool may be useful for examining or changing it only when the file is known to use readable script text and the changes are compatible with the game.
There is no standard conversion for an ert file. It contains game-specific script data, so converting it to another document or script format will generally make it unusable by Heroes III.
To change its contents, use a Heroes III-compatible script editor or modding tool and save the result in the format required by the game. Keep a backup of the original file before making changes.
Software apps that create ert files:
Microsoft Windows
Software applications that handle other tasks involving ert files:
Microsoft Windows
File type category:
GIS, GPS navigation and map file
Date updated: February 17, 2023
File extension ert file is also used in Enigma series (Enigma, Odyssey , Voyager , Explorer), a comprehensive flight, engine and navigation instrument, developed by MGL Avionics.
This type of .ert files stores route data from MGL Avionics Enigma.
Likely only used in the original Enigma series.
Can be converted to other GPS formats with the use of GPSBabel or similar software.
Software apps that convert ert files: