Slack
Integrate over 2,600 apps to manage work from a single platform.
Easily store and search chat history with AI support.
Communicate flexibly across channels, messages, calls, and video.
Powerful project management tools with canvas and to-do lists.
Enterprise-grade security, supporting compliance with standards like HIPAA.
Easily work with external partners via Slack Connect.
Automate processes without coding, saving time.
Notification system is easy to overload, need to edit constantly to avoid distractions.
Free version is limited to 10,000 messages and 15 people in video meetings.
Document preview feature is not optimized, need to download to see details.
Cannot change public group to private after creation.
Lag or delay may occur with large channels, reducing user experience
Overview about Slack
Launched in 2013 by Stewart Butterfield, the name “Slack” is actually an abbreviation for “Searchable Log of All Conversation and Knowledge”. Since its inception, Slack has taken the tech world by storm and has been likened to a more advanced, smarter version of IRC (Internet Relay Chat).
So what is Slack? Simply put, Slack is a “common home” for all team conversations, documents, and creative ideas. Slack consolidates everything into a single space, replacing the cumbersome traditional email. It helps organize conversations in a scientific, easy-to-search way, while integrating many work support tools, from communication, project management to automation. This explains why Slack quickly became the top choice for businesses and organizations.
A major milestone in Slack’s history was in 2021, when Salesforce – the “giant” of the software industry, acquired Slack. This deal not only strengthened Slack’s position but also opened the era of AI-based collaboration, helping the platform grow even stronger.
A clear proof of the above statement is that up to now, Slack has been used in more than 150 countries, has 200,000 paid users, and has won the trust of 77 out of the world’s top 100 companies (Fortune 100). More than just a communication tool, Slack has truly redefined the way we work.
Features of Slack
1. Features of Slack
1.1 Team Collaboration Features
Slack is often compared to a "virtual conference table," where every employee can participate, contribute, and maximize their potential.
1.1.1 Channels
Channels in Slack
Channels in Slack are “barrier-free” collaborative spaces. Gone are the days of being trapped in cluttered emails; Channels provide absolute flexibility and transparency. Each channel acts as an “open meeting room” for projects and teams, enabling you to:
- Pin Important Messages: Keep your team focused on core information. Pinned messages are always displayed at the top of the channel, making it easy to access key announcements without digging through numerous messages.
- Use Emojis: Quickly react, express emotions, or even create customized emojis for your team.
- Edit Sent Messages: Correct unintended errors in work-related messages to ensure accuracy and clarity.
1.1.2 Direct Messaging
Direct messages in Slack are more than just communication tools; they are “idea-building engines.” You can share ideas within the group, send documents, or coordinate tasks with just a few clicks. Integration with tools like Google Drive or Asana ensures all essential information is streamlined into a single conversation thread.
1.1.3 Audio and Video Messaging
Don’t want to host a lengthy meeting? Slack’s solution is audio and video clips. You can record, shoot videos, or share your screen to deliver dynamic information without waiting for a scheduled meeting.
1.2 Project Management Features
1.2.1 Canvas
Canvas in Slack is where you can “paint the big picture” of your project. This feature creates a space to share and manage diverse information, from text and files to automated workflows.
Think of Canvas as a virtual whiteboard where your team can discuss, take notes, and organize everything. You can:
- Create a Canvas from a Channel to compile action items or create an FAQ for your team.
- Automate Information by integrating workflows into Canvas to optimize processes and save time.
1.2.2 To-Do List
Slack’s to-do list is a “guiding star” that helps you organize and manage tasks clearly and intuitively.
This feature allows you to:
- Track Tasks: Assign responsibilities and monitor progress. Slack enables you to take notes and set reminders, acting as a personal assistant. When the time comes, Slack automatically notifies you, helping your team stay productive and disciplined.
- Manage Long-Term Goals: Oversee initiatives like product launches, employee onboarding, or new project rollouts.
1.2.3 Knowledge Database Search
In organizations, knowledge is often scattered across emails, documents, and meetings. Slack’s intelligent search feature ensures that all information is stored and easily accessible.
Instead of digging through emails or asking colleagues for data, simply type a keyword to find answers instantly. This feature acts as a “knowledge treasure chest,” saving time and maximizing available resources.
1.3 Integration Features
Slack's robust integration capabilities serve as the "central nervous system" connecting all applications and workflows, enabling your team to work smarter and more efficiently.
1.3.1 Application Integrations
Slack offers integration with over 2,600 services, ranging from Google Drive and Office 365 to specialized tools like Asana, Dropbox, and Trello. This makes Slack a "work coordination hub," where everyday tasks are streamlined without the need to switch between applications.
For example, instead of opening multiple tabs to access documents or project management tools, you can connect them to Slack and access them directly within chat channels. This is the perfect solution to eliminate workflow fragmentation.
1.3.2 No-Code Automation
Create Automated Workflows in Slack
With the Workflow Builder feature, Slack allows you to create automated workflows without writing a single line of code. Automate repetitive tasks such as status updates, sending notifications, or logging requests, enabling you to focus on high-value work.
1.3.3 Salesforce Integration for Business Optimization
Slack elevates customer management to the next level with Slack Sales Elevate and Salesforce data integration. This feature allows you to manage customer portfolios, track accounts, and coordinate teams directly within the Slack interface. Sales teams can work faster and more effectively without toggling between different applications.
1.4 Information Features
Slack's information capabilities empower you to harness the power of artificial intelligence (AI) to work smarter, faster, and more efficiently.
1.4.1 Slack AI – Your Smart Assistant for Every Conversation
Slack AI leverages collective knowledge and your business's CRM data to provide accurate and fast information retrieval. Intelligent summaries of channels or conversation threads keep you updated on critical information, even if you've missed previous discussions. Additionally, automated meeting notes save time and boost productivity.
1.4.2 Agentforce – Your Right-Hand in Customer Management
With Agentforce, Slack transforms customer data into actionable solutions. From suggesting next steps to automatically generating email templates and action plans, Agentforce saves valuable time while ensuring work remains efficient and effective.
2. Who is Slack For?
2.1 Technicians
Slack enables technical teams to integrate tools like GitHub, Google Drive, and Dropbox, making it easier to share source code and project documents. This reduces processing time and ensures that all necessary information is readily available. The search feature allows engineers to locate key conversations or vital data from chat histories without sifting through hundreds of emails.
2.2 Customer Service Teams
- Pin Important Messages: Critical announcements, such as policy updates or answers to frequently asked questions, can be pinned for easy access by all team members.
- Team Directory: Customer service teams can view activity statuses and specific roles of each member, facilitating quick coordination during urgent support cases.
2.3 Sales Teams
- Set Reminders: This feature ensures sales representatives never miss important calls or tasks. For instance, Slack sends notifications at the scheduled time for client meetings, helping the team stay punctual and professional.
- Custom Emojis: Personalized emojis make conversations more lively and enable the team to foster creativity and a personal touch in client interactions.
2.4 Project Managers
Slack facilitates end-to-end project management on a single platform through three main pillars:
- Collaboration: Gather teams in shared channels, organize direct calls, or share updates via clips to maintain clear and consistent communication.
- Tracking: Use task lists to assign duties, monitor progress, and enhance accountability, keeping the project on track.
- Organization: Utilize Canvas to store and manage documents, timelines, and deliverables systematically. Prebuilt project templates enable quick starts.
3. Areas for Improvement in Slack
3.1 Notification Overload
In large teams with numerous active channels, Slack's notification system can become overwhelming. Despite options to mute or customize notifications, users may spend significant time fine-tuning settings to avoid disruptions.
3.2 Limitations of the Free Version
Slack’s free plan only stores 10,000 messages, making it difficult to retrieve older conversations. Video and voice meetings are limited to 15 participants, and restricted file search and access capabilities hinder efficient information management for teams.
3.3 Document Previewing
Slack’s document previewing lacks sophistication, often requiring users to download files to view their full format.
3.4 Management Feature Gaps
Slack does not allow the conversion of public chat groups to private ones post-creation, which can be inconvenient during privacy changes. Additionally, occasional lag or delays, particularly in large channels, can detract from the user experience.
4. Slack Pricing
- Free (0.00 USD): Basic plan for individuals or small teams, limited to 10,000 messages and 10 app integrations.
- Pro (4.38 USD/user/month): Unlimited message history, integrations, and Slack Connect support.
- Business+ (15 USD/user/month): Advanced administration, message export, and SSO security.
- Enterprise Grid (Contact for pricing): Designed for large enterprises, offering HIPAA compliance, employee directories, and support for 500,000 users.
For the latest pricing details, please visit the official Slack pricing page.
5. Conclusion
This detailed review provides insights into Slack—a comprehensive communication and work management tool. We hope this article has helped you understand its features, advantages, drawbacks, and the best pricing plan for your business needs.
If you’re interested in exploring more business technology solutions, check out our other articles. BENOCODE is always here to support your growth journey!
Outstanding features
Team collaboration features
Project management features
Integrated Features
Information feature

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