We're often asked how to change the meeting organiser on an existing (often recurring) meeting.
Can you assign a new meeting organizer to an existing meeting?
The answer is no, you can't change the meeting organizer. You'll need to cancel the meeting and resend it from the new organizer's account. If the organizer's mailbox was deleted, the meeting can't be cancelled and each invitee will need to delete the meeting from their calendar.
To reduce the chances of needing to do this, limit recurring meetings to a set number of days - 10 occurrences is the default.
Limiting the invite to 10 occurrences would not be a solution for everyone especially if the organizer wants to reserve a consistent meeting room for the entire year.
If the meeting organizer leaves the company and the company deleted his email account, can the meeting still take place successfully?
Yes. The meeting will remain on the attendees calendars but it cant be updated.
Currently you can't but is this something you plan to implement?
Seems like a very useful feature and you did say you are receiving many request for it - Customer centric!
I'm not expecting this to change in the future, unfortunately... but they could surprise us.