A daily updated filename extension database!

OTF file extension

The table below provides useful information about the .otf file extension. It answers questions such as:

  • What is the .otf file?
  • What program do I need to open a .otf file?
  • How can the .otf file be opened, edited or printed?
  • How can I convert .otf files to another format?

We hope you find this page helpful and a valuable resource!

3 extension(s) and 0 alias(es) found in database

✅ OpenDocument Formula Template

OTF file is an OpenDocument Formula template.
Category: Document files
Application: OpenOffice Math
Mime-type: application/vnd.oasis.opendocument.formula-template
Magic number: -
Magic string: -
Sample: -
OTF aliases:
OTF related links:
OTF related extensions:
OpenDocument Text

OpenDocument Spreadsheet

OpenDocument Presentation

OpenDocument Graphics

OpenDocument Chart

StarOffice Packed Presentation

StarOffice Presentation

OpenOffice Math Formula

OpenDocument Formula

StarOffice Writer Template

✅ OpenType Font

OTF file is an OpenType Font. OpenType is a format for scalable computer fonts.
Category: Font files
Application: AMP Font Viewer
Mime-type: application/vnd.ms-opentype
Magic number: -
Magic string: -
Sample: -
OTF aliases:
OTF related links:
OTF related extensions:
Adobe Font Metrics

MS-DOS Code Page Information

Fontographer Font Project

Windows Bitmap Font

Postscript Type1 ASCII Font

Postscript Type1 Font Binary

TrueType Font

Font Definition Block

Microsoft Windows Font

TeX Font Metric

✅ VAMPIR Open Trace Format Data

OTF file is a VAMPIR Open Trace Format Data. VAMPIR is a commercial trace-based performance analysis tool from the Technische Universitat Dresden.
OTF format description not yet available
Application: VAMPIR
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
OTF aliases:
OTF related links:
OTF related extensions:

Other types of files may also use the .otf file extension.

🚫 The .otf file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

itf, ktf, ltf, off, oft, ogf, orf, ot, otb, otc, otd, ote, otg, otr, ott

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

JPI TopSpeed Pascal Interface File
KeyTruss Truss Data
Rotor-Disc OTV Kit OTV Calibration Data
OpenIV Texture Data
Stalker Model Data
Mr. Photo Thumbnail
Frogans Short-cut
Pro Tools Session Data
Orbscan Treatment Export Data
Olympus RAW Image

🔴 Can't open a .otf file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .otf file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .otf file extension, write to us!

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