Onr of my outlook.com accounts has been converted to Outlook Mail Preview, and no longer works

Here are the logs from the client.  I think it has to do with outlook.com changing, but not sure

10:16:51 AM johnnaxyz@outlook.com [AirSync]  Synchronizing folder list10:16:53 AM johnnaxyz@outlook.com [AirSync]  Synchronizing folder list10:16:54 AM johnnaxyz@outlook.com [AirSync]  Synchronizing folder ‘johnnaxyz@outlook.com/Outbox/’
10:16:54 AM johnnaxyz@outlook.com [AirSync]  MailExceptions.ConnectionException: Found invalid data while decoding. —> System.IO.InvalidDataException: Found invalid data while decoding.
10:16:54 AM    at MailClient.Protocols.AirSync.AirSyncItemSynchronizer2.GetSyncKey(Folder folder, IItemContext context, CancellationToken cancellationToken) 10:16:54 AM &nbsp; &nbsp;at MailClient.Protocols.AirSync.AirSyncItemSynchronizer2.Synchronize(IItemSynchronizeContext1 synchronizeContext, Folder folder, CancellationToken cancellationToken) 10:16:54 AM &nbsp; &nbsp;at MailClient.Protocols.Common.ItemSynchronizer2.<>c__DisplayClass2e.<>c__DisplayClass33.b__2a(WorkerStatus status, CancellationToken cancellationToken)
10:16:54 AM at MailClient.Protocols.AirSync.AirSyncGenericCommand.Execute(WorkerStatus status)
10:16:54 AM — End of inner exception stack trace —

try to delete and readd your account as an Exchange account.