In the Bitrix24 messenger, the contact list is also a list of chats. When any event with an employee such as a hiring or a birthday happens, a separate chat with this employee appears in the list.
You can disable such chats in the Bitrix24 messenger.
Hide any chat
You can hide any chat in the Bitrix24 messenger. Right-click with the mouse on the unwanted chat and select Hide Chat.
Hide the chat with a new employee
To hide chats with new employees, go to Messenger Settings and disable the option Show users invited to Bitrix24.
Hide employee's birthday chat
To hide chats with employees whose birthdays are today, go to Messenger Settings and disable the option Show birthday notifications.
Don't forget to save changes.