I've found it to be good -- way better than Teams which doesn't even offer any ability to see the messages adjacent to the one containing the search term if it'

I've found it to be good -- way better than Teams which doesn't even offer any ability to see the messages adjacent to the one containing the search term if it's more than a few months old: useless if one message has a question, the next has an answer, and you only have the knowledge to search for the message with the question.