An otr file extension is related to the IRIX operating system and used for its complied FTR files.

There is one other file type using
the OTR file extension!

empty icon.otr - Over the Reich saved game

Detailed description

Software that open otr file

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OTR file extension - IRIX complied FTR data

What is otr file? How to open otr files?

File type specification:

Various data file type icon Various data file type

The otr file extension is associated with the IRIX, an Unix-based operating system of MIPS processor-based SGI (Silicon Graphics) systems.

The otr file stores compiled FTR data for IRIX system.

IRIX is obsolete product without support from SGI.

This otr file type entry was marked as obsolete and no longer supported file format.

This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.

Updated: September 26, 2019

The default software associated to open otr file:

IRIX picture or screenshot

IRIX  Linux/Unix software

Company or developer:
Silicon Graphics, Inc.

The IRIX operating system is the leading technical high-performance 64-bit operating system based on industry-standard UNIX®. For the past 20 years, SGI has been designing scalable platforms based on the IRIX operating system to connect technical and creative professionals to a world of innovation and discovery.

Help how to open:

This file type is not meant to be opened directly, there is no software that could open and work with it directly, or there is no information available in public sources about opening this file type. This is usually the case of some internal data files, caches, temporary files etc.

How to convert:

As far as we know, this .otr file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

List of recommended software applications associated to the .otr file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open otr file, edit otr file, convert otr file, view otr file, play otr file etc. (if exist software for corresponding action in's database).

Unspecified and all other actions for computer programs working with otr file - IRIX complied FTR data

Click on the software link for more information about IRIX. IRIX uses otr file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).


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