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OTF File - What is an .otf file and how do I open it?
Learn about .OTF files and view a list of programs that open them.
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Overview
What is an OTF file? An OTF file is a font saved in the OpenType format developed by Microsoft and Adobe. The OpenType format combines aspects of the PostScript ( .PS ) and TrueType ( .TTF ) font formats. OTF fonts are fully scalable, meaning their characters can be resized without losing quality.
More Information OTF file open in Microsoft Windows Font Viewer In the 1990s, Microsoft set out to produce a competitor to Apple's TrueType font format. In collaboration with Adobe, Microsoft produced the OpenType font, or OTF, format. The OpenType format is similar to the TrueType format, except that it includes additional data structures that determine how fonts appear and behave. In the early 2000s, the OpenType format became an open font standard. Thus, most computer systems can now recognize and install OTF fonts. How do I use an OTF file as a font? To use an OTF file as a font, you must first install it on your system. In Windows, you install fonts by placing them in the C:/Windows/Fonts directory. In macOS, you install fonts by opening them in Apple Font Book and selecting the Install Font button.
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In-Depth
.OTF File Extension
3 file types use the .otf file extension.
OpenType Font
| Developer | Microsoft and Adobe Systems |
| Popularity |
3.7 | 135 Votes |
What is an OTF file?
An OTF file is a font saved in the OpenType format developed by Microsoft and Adobe. The OpenType format combines aspects of the PostScript ( .PS ) and TrueType ( .TTF ) font formats. OTF fonts are fully scalable, meaning their characters can be resized without losing quality.
More Information
OTF file open in Microsoft Windows Font Viewer
In the 1990s, Microsoft set out to produce a competitor to Apple's TrueType font format. In collaboration with Adobe, Microsoft produced the OpenType font, or OTF, format. The OpenType format is similar to the TrueType format, except that it includes additional data structures that determine how fonts appear and behave.
In the early 2000s, the OpenType format became an open font standard. Thus, most computer systems can now recognize and install OTF fonts.
How do I use an OTF file as a font?
To use an OTF file as a font, you must first install it on your system. In Windows, you install fonts by placing them in the C:/Windows/Fonts directory. In macOS, you install fonts by opening them in Apple Font Book and selecting the Install Font button.
How to open an OTF file
You can open an OTF file in Microsoft Windows Font Viewer (Windows) or Apple Font Book (Mac). Before opening an OTF file in Windows Font Viewer, you must place the file in the C:/Windows/Fonts directory. Otherwise, Windows will not recognize the file as a valid font file.
Can I install OTF fonts on my Android device?
While it is more difficult to install an OTF font on an Android device than a Windows or Mac PC, you can do so. iFont is one application that allows users to install and use OTF fonts on Android devices.
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Programs that open or reference OTF files
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Platform
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X
Windows
Microsoft Windows Font Viewer
Included with OS
FontForge
Free
Mac
Apple Font Book
Included with OS
FontForge
Free
Linux
FontForge
Free
Android
iFont
Free
Category: Font Files
Updated: October 19, 2021
OpenDocument Formula Template
| Developer | OASIS |
| Popularity |
2.8 | 29 Votes |
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.
More Information
NOTE: The Organization for the Advancement of Structured Information Standards (OASIS) maintains the OpenDocument standard.
Programs that open OTF files
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OpenOffice Calc
Free
Mac
OpenOffice Calc
Free
Linux
OpenOffice Calc
Free
Category: Misc Files
Updated: September 26, 2018
OpenTuft Tufting Design File
| Developer | NedGraphics |
| Popularity |
2.7 | 23 Votes |
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
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NedGraphics Tuft software
Category: Data Files
Updated: February 11, 2011