Home : File Types : OTF File (3 File Associations)

.OTF File Extension

File Type 1OpenType Font

4.0 (36 Votes)
CategoryFont Files


File format categories include Binary, Text, XML, and Zip. The format of this file type has not been determined.

What is an OTF file?

An OTF file is a font format developed by Adobe and Microsoft. It combines aspects of PostScript and TrueType font formats and is fully scalable, meaning the font can be resized without losing quality.

More Information

The OpenType font format is supported by Mac OS X and Windows 2000 and later.

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Programs that open OTF files
Updated 5/10/2016

File Type 2OpenTuft Tufting Design File

2.3 (7 Votes)
CategoryData Files


This file is saved in a plain text format. You can open and view the contents of this file using a text editor.

.OTF File Association 2

General interface format for creating tuft designs that can be processed by tufting machines; allows designs to be weaved into various textile products; contains information such as thread-up, yarn placement, and yarn tuft lengths.

More Information

The OTF file format is specified in a Windows .INI file-like structure.

NOTE: The OTF format is supported by NedGraphics tuft design software, but NedGraphics changed the ".otf" extension to ".otu" since there were conflicts with OpenType font files.

Programs that open OTF files
NedGraphics Tuft software
Updated 2/11/2011

File Type 3OpenDocument Formula Template

2.0 (9 Votes)
CategoryMisc Files


This file is saved in a binary format, which requires a specific program to read its contents.

.OTF File Association 3

Template for creating formulas used by OpenOffice spreadsheets; allows cells within the spreadsheet to be automatically filled in based on formula calculations; formatted using the OASIS OpenDocument XML standard.

Programs that open OTF files
Updated 3/18/2014

About OTF Files

Our goal is to help you understand what a file with a *.otf suffix is and how to open it.

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