An otf file extension is related to the OpenOffice OpenDocument formula template format.

There are 2 other file types using
the OTF file extension!

otf icon.otf - OpenType font file format [common]

empty icon.otf - DeltaVision image

Detailed description

Software that open otf file

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OTF file extension - OpenOffice OpenDocument formula template

What is otf file? How to open otf files?

File type specification:

Document file type icon Document file type

otf file icon: otf filetype icon

An otf file extension is associated with OpenOffice and StarOffice made by Sun Microsystems, Inc.

The file format is part of the Open Document Format for Office Applications (OpenDocument) 1.0 specification. This OASIS format is expected to become an industry standard for sharing documents.

It is being adopted by the OpenOffice and StarOffice version 2 software suite but may appear in other products as well.

The default software associated to open otf file:

StarOffice icon

Oracle Corporation logoStarOffice  Microsoft Windows software

Company or developer:
Oracle Corporation

A multi-platform commercial office suite based on suite originally developed by Sun. StarOffice is able to create text documents, spreadsheets, presentations databases etc. Development of StarOffice was ended in 2011.

Apache OpenOffice ( icon Project Team logoApache OpenOffice (  Multiplatform software

Company or developer: Project Team

Apache OpenOffice ( is popular free office suite for variety of operating systems. is compatible with other major office suites. can create and edit documents (Writer), spreadsheets (Calc), presentations (Impress), graphics (Draw) and databases (Base). is localized in to 120 languages.

LibreOffice icon

The Document Foundation logoLibreOffice  Multiplatform software

Company or developer:
The Document Foundation

LibreOffice is a comprehensive, professional-quality productivity office suite that is completely free to download. It includes word processor, spreadsheet, presentation, database and drawing software and is available in more than 30 languages and for all major operating systems, including Microsoft Windows, Mac and Linux (Debian, Ubuntu, Fedora, Mandriva, Suse, ...).

Help how to open:

Use OpenOffice/StarOffice/LibreOffice to open *.otf formula files.

How to convert:

Probably can be exported to other formats.

Find conversions from otf file:

otf to jpeg

otf to pdf

otf to ttf

otf to vf3

otf to woff

otf to woff2

List of recommended software applications associated to the .otf 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 otf file, edit otf file, convert otf file, view otf file, play otf file etc. (if exist software for corresponding action in's database).

Software that open otf file - OpenOffice OpenDocument formula template

Programs supporting the exension otf on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about listed programs for open otf file action.

Microsoft Windows:


Main software associated with otf file by default:
Apache OpenOffice ( small icon Apache OpenOffice (
LibreOffice small icon LibreOffice

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