OTML file format description

Many people share .otml files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .otml file can be edited, converted or printed with. On this page, we try to provide assistance for handling .otml files.

1 filename extension(s) found in our database.

.otml - OpenTibia OTML Data

The OTML game data files are related to OpenTibia. The OTML file is an OpenTibia OTML Data. OpenTibia is a free open source replacement for Tibia, a graphical multiplayer RPG. OTML is a human readable and easy typing data serialization file format.

Game Data files
- / -
OpenTibia OTML Data related extensions:
OpenTibia Font Data
OpenTibia Mod Data
OpenTibia Data
OpenTibia User Interface Data

Naturally, other applications may also use the .otml file extension. Even harmful programs can create .otml files. Be especially cautious with .otml files coming from an unknown source!

Can't open a .otml 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 can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .otml file extension is often given incorrectly!

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

oml, otl, otm, tml, toml

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Microsoft Outlook VBA Project
TracePro Model
Origin Matrix Book Template
OtsAV Media Library
Tapestry Markup Language Document
TOML Source Code

Operating systems

DataTypes.net currently supports the following operating systems:

Windows XP/Vista, Windows 7/8/10, Windows 11, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, macOS, Mac OS X, iOS, Android

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If you have useful information about the .otml file format, then write to us!

DataTypes.net >> OTML file