CKB:Shared mailbox cannot be opened

Applies to:

All versions of Cryptshare for Office 365 & Outlook

Symptoms:

Shared mailboxes in Outlook cannot not be opened be opened if public mailboxes are configured.

Users may see the following exception:

Solution:

Delete any existing public folder mailboxes in the Exchange admin center:

The public folder is not displayed in outlook by default, in order to see it, click the three dot symbol: