Hi Neemobeer,
Yes I agree. I forgot to mention in my description that I try and log in but it refuses my private e address and asks for my business e address, one that I do not have as somebody just responding to an email invite. Before all this I clicked on the invite button and went strait to the conversation. The penny has only just dropped that it all changed around my updating to 20H2 some two weeks ago that started it all. The late update to 20H2 was my being unsure as to what major changes where entailed, it transpires nothing major changed other than my being unable to use Yammer.
How do I sign up as a recipient of invites with only a private e address and no Office 365?
Is there a way, after the initial login, for my just using the email invite button as before?