Is there an update for this KB? https://support.microsoft.com/en-us/office/unable-to-save-changes-to

https://support.microsoft.com/en-us/office/unable-to-save-changes-to-a-draft-email-in-draft-folder-for-imap-accounts-235f3edd-758c-4592-8958-44f8091e36a9?ui=en-us&rs=en-us&ad=us