.F77 File

The f77 file extension is generally related to Fortran 77 programming language.

Fortran was developed by IBM in the 1950s for scientific and engineering applications, The f77 file contains language source code.

MIME types:
text/x-fortran

This f77 file type entry was marked as obsolete and no longer supported file format.

This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.

How to open:

Use compatible tools to work with *.f77 files.

How to convert:

Probably cannot be converted to other formats.