I really also asked myself this question before. I sometimes used Outlook in an instant-messaging way and wondered if there is any optimized frontend to do so.

I really also asked myself this question before. I sometimes used Outlook in an instant-messaging way and wondered if there is any optimized frontend to do so. Many „old school“ businesses and government entities still struggle to introduce instant-messaging as an official way to communicate - end then it ends at the company’s boundaries as others use other tools. Email is broadly accepted. I would become a user of instant-mail.