.otf ODF template
Documents & office
| MIME type | application/vnd.oasis.opendocument.formula-template font/otf |
|---|---|
| Description | ODF template |
| Acronym | ODF – OpenDocument Formula |
| Category | Documents & office |
| Signature (magic bytes) | 50 4B 03 04 (PK..) |
| Based on | application/zip |
Frequently asked questions
What is a .otf file?
The .otf extension is used for several formats: ODF template (application/vnd.oasis.opendocument.formula-template) and OpenType font (font/otf). ODF stands for OpenDocument Formula.
How do I open a .otf file?
With an office suite: LibreOffice (free, Windows/macOS/Linux) opens most document formats, as do Microsoft Office or the vendor’s own app.
How can you tell a genuine .otf file?
By the bytes at the start of the file, the signature (magic bytes): 50 4B 03 04 (PK..). On Linux and macOS, file --mime-type example.otf checks the real type regardless of the extension.
Which format is .otf based on?
Technically a .otf file is a subtype of “Zip archive” (application/zip), so programs for that base format can often read it too.
Which MIME type belongs to .otf?
The MIME type is application/vnd.oasis.opendocument.formula-template. In the Apache web server: AddType application/vnd.oasis.opendocument.formula-template .otf; in nginx: types { application/vnd.oasis.opendocument.formula-template otf; }.