Team Chat & Messaging Apps

Microsoft Teams vs Slack

Compare Microsoft Teams and Slack side-by-side. See feature differences and pricing in the Team Chat & Messaging Apps category.

Microsoft Teams

by Microsoft

No reviews yet

Pricing: No-cost tier available; Teams Essentials from $4.00 per user a month billed annually, checked September 2026

Microsoft Teams is team chat, video meetings and calling for organizations already running Microsoft 365, with a no-cost tier capped at 60-minute meetings.

13 /18 features Full profile

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Slack

by Salesforce

No reviews yet

Pricing: Free plan with 90 days of message history; Pro $8.75 and Business+ $18 per user a month billed monthly; Enterprise+ is quote only, checked September 2026

Slack is team chat software for companies that organize work in channels rather than email. Salesforce owns it; the free plan keeps 90 days of history.

14 /18 features Full profile

Feature Comparison

Team Chat & Messaging Apps features side-by-side

Feature	Microsoft Teams 13/18 features	Slack 14/18 features
Public and private channels Conversations are organized into topic channels anyone can join, with private channels limited to invitees.	Yes	Yes
Threaded replies in channels Replies can be attached to a message as a thread instead of filling the channel.	Yes	Yes
Unlimited searchable message history Every message stays searchable with no retention cap on at least one paid plan.	Yes	Yes
Built-in voice and video calls Members can start an audio or video call from a channel or direct message without another app.	Yes	Yes
External shared channels with other organizations A channel can be shared with a partner company's workspace so both sides post in one place.	Yes	Yes
Guest accounts for outside collaborators Contractors or clients get restricted access to specific channels without a full seat.	Yes	Yes
App directory with prebuilt integrations A catalog of ready-made integrations posts updates into channels and responds to slash commands.	Yes	Yes
No-code workflow builder Users automate forms, reminders and channel posts with a visual builder and no code.	Yes	Yes
Scheduled send and message reminders A message can be scheduled for later and a member can set a reminder on any message.	No	No
Per-channel notifications and quiet hours Notification rules can be set per channel, with do-not-disturb schedules for off hours.	No	No
Recorded audio and video clips Members record short voice or screen clips and post them into a conversation asynchronously.	Yes	Yes
AI summaries of channels and threads An assistant summarizes unread channels or long threads on demand.	No	Yes
End-to-end encrypted messaging Messages are encrypted on the device so the vendor cannot read them in transit or at rest.	No	No
Self-hosted chat server option The vendor offers a version customers run on their own servers or private cloud.	No	No
SAML SSO for the chat workspace Members sign in through an identity provider such as Okta or Entra ID using SAML.	Yes	Yes
Compliance exports and legal holds Admins can export all messages for eDiscovery and place holds that stop deletion.	Yes	Yes
Data residency region selection Customers choose the geographic region where message data is stored.	Yes	Yes
Free plan for team chat A permanently free tier exists, usually with a cap on history, apps or members.	Yes	Yes
Overall Rating	No reviews yet	No reviews yet

Microsoft Teams 13/18 features

Public and private channels: Yes
Threaded replies in channels: Yes
Unlimited searchable message history: Yes
Built-in voice and video calls: Yes
External shared channels with other organizations: Yes
Guest accounts for outside collaborators: Yes
App directory with prebuilt integrations: Yes
No-code workflow builder: Yes
Scheduled send and message reminders: No
Per-channel notifications and quiet hours: No
Recorded audio and video clips: Yes
AI summaries of channels and threads: No
End-to-end encrypted messaging: No
Self-hosted chat server option: No
SAML SSO for the chat workspace: Yes
Compliance exports and legal holds: Yes
Data residency region selection: Yes
Free plan for team chat: Yes

No reviews yet

Slack 14/18 features

Public and private channels: Yes
Threaded replies in channels: Yes
Unlimited searchable message history: Yes
Built-in voice and video calls: Yes
External shared channels with other organizations: Yes
Guest accounts for outside collaborators: Yes
App directory with prebuilt integrations: Yes
No-code workflow builder: Yes
Scheduled send and message reminders: No
Per-channel notifications and quiet hours: No
Recorded audio and video clips: Yes
AI summaries of channels and threads: Yes
End-to-end encrypted messaging: No
Self-hosted chat server option: No
SAML SSO for the chat workspace: Yes
Compliance exports and legal holds: Yes
Data residency region selection: Yes
Free plan for team chat: Yes

No reviews yet

Pricing

Microsoft Teams

No-cost tier available; Teams Essentials from $4.00 per user a month billed annually, checked September 2026

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Slack

Free plan with 90 days of message history; Pro $8.75 and Business+ $18 per user a month billed monthly; Enterprise+ is quote only, checked September 2026

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