Kodak's new film is designed for archiving digital movies:
And they have been selling systems for backing digital data to microfilm for some time:
Digital data to microfilm archive writers
Digital images to microfilm archive writers
"COM" - "Computer Output Microfilm" has been around for a half century for archiving records and for human-readable microfiche.
And of course it also goes the other way - OCR readers that convert microfilm to digital data
Archiving data to film, er Daguerrotype plates, dates to 1839...
The idea that digital/magnetic media isn't archival but film is is well established.