.OTF File Extension

.OTF File Extension

File Type 1

OpenType Font

Developer Adobe Systems and Microsoft
Popularity
3.8  |  84 Votes
Category Font Files
Format N/A

What is an OTF file?

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

More Information

The OpenType font format is supported by macOS and Windows 2000 and later. OTF files must be stored in the system Fonts directory in order to be accessible by applications.

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Programs that open OTF files

Windows
Mac
Included with OS
Linux
Updated October 19, 2020
File Type 2

OpenDocument Formula Template

Developer Apache Software Foundation
Popularity
2.6  |  25 Votes
Category Misc Files
Format Binary

What is an OTF file?

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

Windows
Mac
Linux
Updated September 26, 2018
File Type 3

OpenTuft Tufting Design File

Developer NedGraphics
Popularity
2.6  |  16 Votes
Category Data Files
Format Text

What is an OTF file?

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

Windows
NedGraphics Tuft software
Updated February 11, 2011

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