Slack vs. Microsoft Teams - What is The Difference?

Last Updated Jun 4, 2025

Slack offers a user-friendly interface and extensive app integrations, making it ideal for startups and creative teams. Microsoft Teams provides robust collaboration tools and seamless Office 365 integration, preferred by enterprises for productivity; explore this article to discover which platform suits your business needs best.

Table of Comparison

Feature Slack Microsoft Teams
Video & Audio Calls Up to 15 participants, HD quality Up to 300 participants, HD quality
File Sharing Up to 1GB per file, integrated with Google Drive, Dropbox Up to 100GB per file, integrated with OneDrive, SharePoint
Collaboration Tools Channels, Threads, Workflow Builder Teams, Channels, Integrated Office 365 apps
Integrations 2,500+ apps including Zoom, Google Workspace 700+ apps including Planner, Power BI
User Capacity Up to 10,000 active users Unlimited users
Security Data encryption, Two-factor authentication End-to-end encryption, Compliance with GDPR & HIPAA
Cost Free tier + Paid plans from $6.67/user/month Included in Microsoft 365 subscription from $5/user/month

Overview: Slack vs Microsoft Teams

Slack and Microsoft Teams dominate the collaboration software market, each offering distinct features tailored to business communication and productivity. Slack is known for its intuitive interface, extensive app integrations, and real-time messaging capabilities, appealing primarily to startups and small to medium-sized enterprises. Microsoft Teams integrates deeply with Microsoft 365, providing seamless access to Office apps, video conferencing, and enterprise security features, making it a preferred choice for organizations entrenched in the Microsoft ecosystem.

User Interface and Experience

Slack offers a clean and intuitive user interface with customizable channels and easy navigation, enhancing user collaboration efficiency. Microsoft Teams integrates seamlessly with Office 365, providing a unified experience through its flexible layout and interactive meeting features. Both platforms prioritize user experience but differ in design philosophy, with Slack emphasizing simplicity and Teams focusing on comprehensive productivity tools.

Integration Capabilities

Slack offers extensive integration capabilities with over 2,400 apps, enabling seamless workflows across project management, CRM, and developer tools. Microsoft Teams integrates deeply with the Microsoft 365 suite, providing robust collaboration features and native integrations with Office apps like Word, Excel, and SharePoint. Both platforms support API access and custom app development, but Teams excels in enterprise environments due to its tight integration with Microsoft's security and compliance frameworks.

Communication Features

Slack offers robust communication features including real-time messaging, threaded conversations, and extensive app integrations that enhance team collaboration. Microsoft Teams combines chat, video conferencing, and file sharing within a single platform, providing seamless collaboration especially for organizations using Office 365. Your choice between Slack and Microsoft Teams should consider the integration capabilities and communication tools that best support your team's workflow and productivity needs.

Collaboration and File Sharing

Slack offers intuitive collaboration features with real-time messaging and extensive app integrations, enhancing team communication efficiency. Microsoft Teams provides robust file sharing through seamless integration with OneDrive and SharePoint, enabling your team to collaborate on documents directly within the platform. Both technologies support advanced collaboration, but Teams excels in file management while Slack emphasizes flexible communication.

Pricing and Plans

Slack offers a free plan with limited message history and integrations, while its paid plans start at $7.25 per user per month, providing enhanced security and advanced collaboration features. Microsoft Teams is included with Microsoft 365 subscriptions, starting at $5 per user per month for Business Basic, which includes Office apps and 1 TB of OneDrive storage. Both platforms scale pricing based on organizational size and feature needs, with Slack emphasizing app integration flexibility and Teams offering seamless Microsoft 365 ecosystem integration.

Security and Compliance

Slack and Microsoft Teams offer robust security features tailored to enterprise needs, including data encryption, multi-factor authentication, and compliance with standards like HIPAA, GDPR, and SOC 2. Microsoft Teams integrates tightly with Microsoft 365 compliance tools, providing advanced eDiscovery, information governance, and data loss prevention capabilities, making it optimal for highly regulated industries. Slack emphasizes flexible third-party integrations and customizable compliance frameworks, supporting ISO/IEC 27001 and FedRAMP certifications to enhance enterprise security postures.

Customization and Bots

Slack offers extensive customization options with a vast library of third-party apps and APIs, allowing users to build and deploy custom bots that automate tasks and enhance workflows. Microsoft Teams integrates deeply with the Microsoft 365 ecosystem, supporting customizable bots and workflows through Power Automate and Azure Bot Service, tailored for enterprise-level collaboration. Both platforms leverage AI-driven bots to streamline communication, but Slack emphasizes developer-friendly flexibility while Teams prioritizes seamless integration with existing corporate technologies.

Performance and Reliability

Slack and Microsoft Teams both offer robust collaboration technology, yet your choice impacts performance and reliability depending on organizational size and infrastructure. Microsoft Teams integrates seamlessly with Office 365, providing consistent uptime and high-speed video conferencing optimized for enterprise environments. Slack's cloud-based architecture excels in real-time messaging with low latency, ensuring your communication remains fast and dependable even during peak usage.

Which Platform is Best for Your Team?

Slack offers intuitive messaging and extensive third-party app integrations, making it ideal for teams focused on seamless communication and workflow customization. Microsoft Teams integrates deeply with Office 365, providing powerful collaboration tools and file sharing within a unified ecosystem, which benefits organizations heavily invested in Microsoft technology. To choose the best platform for your team, consider your existing technology stack, collaboration needs, and preferences for interface simplicity versus comprehensive feature sets.

Slack vs. Microsoft Teams - What is The Difference?

Infographic: Slack vs Microsoft Teams



About the author. DT Wilson is an acclaimed author and expert in relationship dynamics, best known for the insightful book Guide to All Things Relationship.

Disclaimer.
The information provided in this document is for general informational purposes only and is not guaranteed to be complete. While we strive to ensure the accuracy of the content, we cannot guarantee that the details mentioned are up-to-date or applicable to all scenarios. Topics about Slack vs Microsoft Teams are subject to change from time to time.

Comments

No comment yet