If you use JHOVE, you might want to check out this poster by 
@mickylindlarMicky - By JHOVE!
Talk to Zak, Cynthia and I about Utaina, a recently completed project of mass digital preservation of about 70,000 at-risk audiovisual magnetic media at ArchivesNZ and National Library of New Zealand. Uploading our poster here. Or see the PDF version at https://ipres2025.nz/digitalposters
If you have a fediverse account, you can quote this note from your own instance. Search https://digipres.club/users/joshuatj/statuses/115488094271618009 on your instance and quote it. (Note that quoting is not supported in Mastodon.)