One platform for your team and your work
Make work life simpler, more pleasant and more productive. Slack is the collaboration hub that brings the right people, information, and tools together to get work done. From Fortune 100 companies to corner markets, millions of people around the world use Slack to connect their teams, unify their systems, and drive their business forward.

Latest launches

Slack Connect Direct Messages
DM anyone outside your company from Slack
Slack Workflow Builder
The simple way to streamline tasks in Slack
Slack Workflow Builder
Simplify work with workflow automation

What people like about Slack

, , and 507 others highly rated Slack for its ease of use, pricing and design. Read reviews
Based on 516 reviews
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Slack's news

All news
  • Launch
    Slack Connect allows you to send direct messages to people outside your company, simplifying the way you work with partners. Use this feature to seamlessly schedule meetings, sign documents and quickly collaborate on important tasks without ever leaving Slack.
  • Announcement
    #5 Product of the day
    Slack Workflow Builder ranked 5th Product of the day for Oct 18, 2019 with 106 upvotes and 2 comments
    Oct 18, 2019
  • Launch
    With Workflow Builder, Slack users can easily create custom workflows that allow them to do all sorts of things, like:
    ❓ Standardize how requests are collected
    ⏰ Triage outages in real time
    👋 Get new team members up to speed with welcome messages
  • Announcement
    #5 Product of the week
    Slack 4.0 ranked 5th Product of the week for Aug 3, 2019 with 798 upvotes and 30 comments
    Aug 3, 2019
  • Announcement
    #1 Product of the day
    Slack 4.0 ranked 1st Product of the day for Jul 30, 2019 with 474 upvotes and 23 comments
    Jul 30, 2019
  • Launch
    The latest version of our desktop app provides a smoother, faster experience for all. Some notable changes include faster loading times, better overall performance and the ability to work offline.
  • Launch
    Keep conversations moving forward by bringing context from an email into a Slack channel or direct message
  • Launch
    Individualized tutorials for getting started with Slack and learning the features that best fit your role

Questions about Slack

Frequently asked questions

Is Slack Secure?

By default, Slack encrypts data at rest and data in transit for all of our customers.

We further protect your data with tools like Slack Enterprise Key Management (Slack EKM), audit logs, and integrations with top data loss prevention (DLP) providers.

More information can be found here.


Whats so great about Slack?

Slack's meteoric rise in popularity can be attributed to two major factors: It does it's job exceptionally well, and people enjoy using the app itself. From a functionality standpoint, Slack's strengths are that it:

  • Facilitates communication in the workplace
  • Helps teams communicate collaborate across remote distances
  • Enables and encourages the sharing of documents, images and other assets across teams

From a design standpoint, Slack is popular because it appeals to all demographics with its visually appealing design, smooth API's and workflows, and it's contemporary and tech-friendly.


What is Slack?

Slack is a messaging app for business.

Used by 10 million daily active users from more than 600,000 organizations, located in more than 150 countries, Slack (or “Searchable Log of All Conversation and Knowledge“) offers multiple instant messaging options to keep teams in communication.