.fm Adobe FrameMaker document
Documents & office
| MIME type | application/vnd.framemaker |
|---|---|
| Description | Adobe FrameMaker document |
| Category | Documents & office |
| Signature (magic bytes) | 3C 42 6F 6F 6B (<Book)3C 4D 49 46 46 69 6C 65 (<MIFFile)3C 4D 4D 4C (<MML) |
Frequently asked questions
What is a .fm file?
A .fm file is a “Adobe FrameMaker document” (MIME type application/vnd.framemaker).
How do I open a .fm 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 .fm file?
By the bytes at the start of the file, the signature (magic bytes): 3C 42 6F 6F 6B (<Book), 3C 4D 49 46 46 69 6C 65 (<MIFFile) and 3C 4D 4D 4C (<MML). On Linux and macOS, file --mime-type example.fm checks the real type regardless of the extension.
Which MIME type belongs to .fm?
The MIME type is application/vnd.framemaker. In the Apache web server: AddType application/vnd.framemaker .fm; in nginx: types { application/vnd.framemaker fm; }.