Company file online confirmations after 17 June?

I am addressing this question to MYOB.

I use AccountRight desktop (PC) software. I purchased a perpetual desktop licence many years ago. Like many of your customers, I run multiple company files offline. It is simple. It is secure. It is cost effective.

I intend to stay on the pre-17-June version of MYOB. This is despite MYOB's decision to withdraw support for offline files.

But offline company files must be "confirmed" every so often via MYOB's online confirmation service.

Given MYOB's recent announcement, it is easy to imagine that after 17th June, MYOB might decide to switch off this confirmation service for pre-17-June company files. An unconfirmed company file can only be opened in read-only mode. No more transactions can be entered. This would immediately compel users to move their company files online under one or more monthly subscription plans.

Here is my question to MYOB: After 17th June, will users of pre-17-June software still be able to confirm their pre-17-June company files? What guarantees do we have that this service will not be withdrawn? For how long?

I seek an official response please.