Email that finally feels like a team sport

Missive is what happens when a shared inbox, team chat, and an AI writing assistant share one window. Instead of forwarding threads or pasting into Slack, your team comments, assigns, and co-writes replies inside the email itself. The AI compose and summarize features cut triage time roughly in half for the support squads we watched.

Who it's for: Small teams, agencies, and support orgs that answer customer email together and hate tab-hopping between inbox and chat.

Key features

Inbox Shared inboxes

One support@ or hello@ inbox your whole team answers from, with assignment and collision alerts.

AI Compose & summarize

Draft replies in your team voice and auto-summarize long threads before you open them.

Chat Chat inside email

Discuss a thread without leaving the inbox — no more forwarded screenshots in Slack.

Rules Automation

Routing rules assign, label, and snooze so nothing falls through.

Sync Cross-platform

Native Mac, Windows, web, iOS, and Android with offline support.

The honest take

✓ What works

Comments and chat live in the email
AI summarize saves real triage time
Clean shared-inbox assignment
Generous free tier for small teams

✗ What doesn't

No Linux native app
AI features need the paid tier
Learning curve for solo users
Power users may want deeper CRM links

Verdict

For teams that answer email together, Missive removes the inbox-vs-Slack tax. The AI compose is the cherry, not the point — the collaboration model is why teams stay.

💡 Transparency: This review contains affiliate links. If you sign up through our link, we may earn a commission at no cost to you. We only recommend tools we use ourselves. Full disclosure.