||Teams seamlessly integrates with other Microsoft 365 apps, such as Outlook, SharePoint, and OneDrive and various third-party apps and services
||Slack integrates with various third-party apps and services through its extensive app directory, allowing users to connect and work with their favorite tools.
|Video Conferencing and Meetings
||Teams provides robust video conferencing capabilities, including scheduled meetings, screen sharing, and collaboration features like real-time document editing during meetings.
||Slack offers video calling and screen sharing features, but they are more limited compared to the extensive meeting features available in Microsoft Teams.
|Voice Calling and Phone System
||Teams integrates with Microsoft's Phone System, allowing users to make and receive phone calls directly within Teams. Provides additional features like call forwarding and voicemail.
||Slack offers voice calling capabilities through integrations with third-party apps like Zoom or by using Slack Calling add-ons.
|File Sharing and Collaboration
||Teams enables users to store, access, and collaborate on files within its integrated SharePoint and OneDrive environment. Multiple team members can work on files simultaneously and track changes.
||Slack allows users to share files, but it primarily relies on third-party file storage services like Google Drive and Dropbox for file collaboration.
||Teams allows guest access, enabling external users to join and collaborate within teams and channels. Supports external collaboration with clients, partners, and vendors.
||Slack provides guest access for external collaborators, allowing them to join specific channels and collaborate with the team.
|Channels and Workspaces
||Teams organizes conversations and collaboration within channels, which can be grouped based on teams, projects, or topics. Channels provide a centralized space for discussions and file sharing.
||Slack uses workspaces and channels to structure communication. Workspaces represent organizations, and channels help organize discussions within each workspace.
|Security and Compliance
||Teams offers advanced security features, such as data encryption, multi-factor authentication, and compliance with industry standards and regulations, making it suitable for organizations with strict security requirements.
||Slack provides security features like data encryption, two-factor authentication, and enterprise-grade security controls, but it may have limitations in meeting specific compliance standards.
|Compliance and Data Governance
||Teams complies with industry regulations such as GDPR and HIPAA. Offers robust security controls, data encryption, and advanced compliance features for data protection and governance.
||Slack provides security features like data encryption, compliance with standards such as GDPR and HIPAA, and enterprise-level security controls for data protection.
||Teams suitable for organizations of all sizes, from small businesses to large enterprises. Teams can accommodate a large number of users and supports scalability.
||Slack initially designed for smaller teams, but also used by larger organizations. Some limitations on the number of users in free and lower-tier plans. Enterprise plans offer more scalability.
|User Interface and Experience
||Teams familiar interface for users already using Microsoft products. Organized into teams, channels, and tabs for easy navigation. Offers a customizable user interface.
||Slack clean and intuitive interface with a minimalist design. Uses workspaces and channels for communication. Offers extensive customization options for personalization.
||Teams offers multilingual support, including a wide range of languages for user interfaces, chat, and meetings.
||Slack provides multilingual support for the interface and messaging, but some features and integrations may have limited language options.
||Teams supports Windows, macOS, iOS, and Android platforms, allowing users to access Teams from a variety of devices and operating systems.
||Slack supports Windows, macOS, iOS, and Android platforms, providing flexibility for users to access Slack across different devices.
||Teams provides mobile apps for iOS and Android devices, allowing users to access Teams on the go and participate in chats, meetings, and file sharing.
||Slack offers mobile apps for iOS and Android devices, providing access to conversations, channels, and file sharing while on mobile.
|Pricing and Plans
||Teams offers both free and paid plans. The free plan includes basic features, while paid plans provide access to more advanced functionalities and increased storage capacity. Part of Microsoft 365 subscription.
||Slack offers both free and paid plans. The free plan has limitations on message history and integrations, while paid plans provide more features and enhanced support.