I think I had a good ending with one T. A few years ago. I can't really remember how it went. We talked about how the therapy has been. And a little bit about my plans. I'm not so good in saying how greatful I am in person, so I wrote everything I wanted her to know in a letter and gave that at the end of the session. We also had been working towards this by cutting sessions.

Before her I didn't really had real endings with individual T's. But I didn't felt any connection with those so I didn't care.
I had endings in group therapy, but I cared more for my group member than for the therapists. With the last group I feel I didn't had all the closure. I wished I had told a part of the therapists how much they suck.

Therapy with PrevT ended because of her maternity leave. I feel a don't have closure. It wasn't exactly a forever goodbye, but a temporarily goodbye, she said that. The last months has felt terible. So much unsaid. No closure. And I need that. So current T and I will have one or more sessions with PrevT to help me get closure. (Maybe I go back to her. I don't know yet. But there need to be talked about things.)

I feel like the most important thing for getting closure is that you say everything you want to say. But it can be different for everyone.