Some programs offer the option of export music notations in ASCII format (.asc, .ascii etc.), so it theoretically should be possible to export (convert) MIDI music (.mid, .midi) to .ascii files with dedicated music notation and composing software, for example the popular Guitar Pro.
Convert MIDI audio to ASCII text characters file.
We found 2 software records in the database related to .mid to .ascii file format conversion.
Microsoft Windows software - convert mid to ascii on Windows
Multi-track editor and music composer for guitars
Convert from mid 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 mid to ascii. 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 mid to ascii on OS X
Mac version of the popular tablature editor