This conversion seems to represents importing of MIDI audio (.mid, .midi) to Sibelius music writing software for the purposes of producing a music notation file (.sib). As far as we know, this is only doable in the original tool which is available for both Windows and macOS.
Convert MIDI-sequention sound to Sibelius music notation.
We found 2 software records in the database related to .midi to .sib file format conversion.
Microsoft Windows software - convert midi to sib on Windows
A dedicated music writing platform.
Convert from midi file format
The tables with software actions are a good pointer for what a certain program does with various file types and often may give users a good hint how to perform certain file conversion, for example the above-mentioned midi to sib. However, it is not perfect and sometimes can show results which are not really usable because of how certain programs work with files and the possible conversion is thus actually not possible at all.
Apple macOS / Mac OS X software - convert midi to sib on OS X
A music composing and notation software for Mac