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.MUL File Extension

A .MUL file is a Deus Ex: HR Multiplexed Audio File, created by Origin Systems.

Open with MULTool. Available for Windows.

What is a .MUL file?

The file extension .MUL is associated with the game Ultima Online, which is one of the earlier massively multiplayer online (MMO) games. A .MUL file is a type of game file that can contain a variety of data related to the game. This data might include graphics, such as textures and sprites; animation data, which helps to animate characters and objects within the game; maps, which layout the different areas and zones of the game world; and game items, which are objects players can interact with or collect.

Additionally, .MUL files are used when applying updates or patches to the game. These patches may fix bugs, add new content, or alter existing game mechanics to improve the player experience.

To open or modify .MUL files, specific tools are required. Some of the programs that can be used include MULTool, Multi Operations Utility, and MulPatcher. These tools allow users to access and change the contents of .MUL files, which some players do to customize or alter the gameplay in various ways.

However, it's important to note that Ultima Online is an older game, and as such, some of these tools might not be fully compatible with more recent computer operating systems. Users might experience difficulties in running these programs on newer versions of Windows or other operating systems.

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