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Details of the .gm81 file extension

The table below provides useful information about the .gm81 file extension. It answers questions such as:

  • What is the .gm81 file?
  • What program do I need to open a .gm81 file?
  • How can the .gm81 file be opened, edited or printed?
  • Where can I find the specifications for .gm81?
  • Which MIME-type is associated with the .gm81 extension?
  • How can I convert .gm81 files to another format?
  • What are other, similar filename extensions to .gm81?

We hope you find this page helpful and a valuable resource!

1 extension(s) and 0 alias(es) found in database

.gm81 file extension details

Game Maker 8.1 Data

Game Maker 8.1 Data .gm81 file icon
GM81 file is a Game Maker 8.1 Data. Game Maker is a game development software application written by Mark Overmars in the Delphi programming language. Overmars released it in 2000.
Category: Development files
Application: GameMaker:Studio
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
GM81 aliases:
GM81 related links:
GM81 related extensions:
GameMaker: Studio Data

Game Maker 4.x Data

GameMaker: Studio Complete Source

Game Maker 3.x Data

Game Maker 6.x Data

Game Maker 7.x Data

Game Maker 3D Data

Game Maker Backup File

Game Maker 3D Model

Game Maker Resource

Other types of files may also use the .gm81 file extension.

.gm81 file extension error

The .gm81 file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:


Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Heroes of Might and Magic III Saved Game
Stronghold Crusader GM1 Image
Gerber Mechanical Layer 1 Data
open .gm81 file

Can't open a .gm81 file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .gm81 file association, check the FAQ.

.gm81 file extension

Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .gm81 file extension, write to us!

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