Yes. In the 1990s and 2000s Microsoft sold encyclopedia software called Encarta:

https://en.wikipedia.org/wiki/Encarta

I remember some consumer PCs being bundled with Encarta in the 1990s and 2000s.

I also remember Grolier (https://en.wikipedia.org/wiki/Grolier) publishing CD-ROM encyclopedias in the 1990s.