The issues on the Absolutely MAD DVD (1952-2005) are just plain PDF files, no DRM, they work perfectly
https://files.catbox.moe/x4np6u.png
The CDs I have seem to be proprietary for Windows from the late 90s. But I also have PDFs through 2005 on my computer which I must have "acquired" at some point.
alt Hacker News
The CDs I have seem to be proprietary for Windows from the late 90s. But I also have PDFs through 2005 on my computer which I must have "acquired" at some point.