I work at a tech company of about 500. We've used zulip for a few years now and are looking to switch to teams/o365. The reason is to have more integration be

I work at a tech company of about 500. We've used zulip for a few years now and are looking to switch to teams/o365. The reason is to have more integration between email, documents, chat, video meetings, and calendar. Zulip has been good to us but as we grow it's increasingly burdensome to manage a bunch of disparate open source collaboration tools.