This might help with some of the understanding of the issue:
As @c.poupin pointed out, interop exists, but as Net Core doesn’t allow access to the GAC you can’t go about it as you did before. Exactly how to do that without access to the GAC isn’t clear, and as a rule I try not to mess with outlook on the company machine as I don’t want to accidentally email all 10923718726392183e^1021 contacts in the company directory so I won’t be of much further help.