How did Microsoft store 1.68 MB on Windows 95 Setup diskettes?

When you look at Windows 95 installation disks, you will notice that the boot disk, as well as the first setup disk are regular sized images. The rest of the images seem to be larger by around 250 kilobytes.
In this video, I will have a look at floppy disks and a different way to format a floppy disk allowing up to 1.72 MB of space.

DFFormat 1.8:
https://www.dropbox.com/sh/0jfpi1oobl...
https://github.com/christoh/fdformat

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00:00 Intro
01:23 Windows 95 Floppy Disks
03:25 How did Microsoft store more data
08:55 FDFormat: The powerful formatting tool
12:08 Write DMF image to floppy
13:12 Pushing the limits
16:54 1.72 MB
18:01 Floppy drive compatibility
19:26 Interleave and floppy speed
21:40 Summary