Quick Start
This guide covers every Slack feature:
- Getting Started — Create your account and finish the basic setup
- How to Use Meeting Platform — Run instant audio and video meetings inside any channel without booking a calendar slot
- How to Use Tech Optimizer — Bring your scattered tools into one place so your team stops switching windows
- How to Use Slack Connect — Work with clients and partners in shared channels instead of long email threads
- How to Use Workflow Builder — Automate repeat requests with a no-code builder that anyone on the team can use
- How to Use Document Sharing — Upload files from your computer and keep every version attached to the discussion
- How to Use Audio and Video Messaging — Record short videos and voice clips so people can watch when it suits them
- How to Use Project Manager — Turn a channel into a project hub with pinned resources, lists, and owners
- How to Use Data Security and Privacy — Lock down access with two-factor login, retention rules, and admin controls
- How to Use Slackbot — Set reminders and custom auto-responses that assist your team all day
Time needed: 5 minutes per feature
Also in this guide: Pro Tips | Common Mistakes | Troubleshooting | Pricing | Alternatives
Why Trust This Guide
I have used Slack daily for four years across three teams and tested every feature covered here. This tutorial comes from real hands-on practice, not vendor screenshots.
Slack is one of the most powerful team chat tools available today.
But most people only scratch the surface of what it can do.
This guide shows you how to use every major feature, step by step.
By the end you can start conversations in the right channels, explore Slack apps, and run a productive day without drowning in notifications.
Slack Tutorial
This How to Use Slack tutorial walks you through every feature in order, from your first login to the workflows that make you a power user.
Slack
Slack is the collaboration hub where people, productivity and automation tools, and communication come together. Channels bring the right people, information, and tools into one place. Start free and upgrade only when your team is ready.
Getting Started with Slack
Before using any feature, finish this one-time setup.
It takes about three minutes.
Watch my personal experience with Slack first:
Now let’s walk through each step.
Step 1: Create Your Account
Go to the Slack website on your computer.
Click “Sign Up” and enter your work email.
Name your workspace after your company or your team.
✓ Checkpoint: Check your inbox for the confirmation code.
Step 2: Download the App
Download the desktop app for Mac or Windows.
Mobile apps cover iOS and Android, so you get access from any device.
Here’s what the dashboard looks like:
✓ Checkpoint: You should see the sidebar with channels and direct messages.
Step 3: Set Up Your Profile
Make sure your profile information is up to date.
Upload a profile picture of yourself so teammates recognise you.
Set your status and pause notifications outside work hours.
✅ Done: You are ready to use any feature below.
How to Use Slack Meeting Platform
Meeting Platform lets you hold a live huddle with your team in seconds, right where the conversation already lives.
Here’s how to use it step by step.
Step 1: Open the Right Channel
Open the channel or direct message that holds the topic.
Everyone already in that space can join the call.
Step 2: Start a Huddle
Click the headphones icon at the bottom of the sidebar.
Here’s what this looks like:
✓ Checkpoint: A live huddle bar appears with each user shown as a small avatar.
Step 3: Share Your Screen
Click the screen icon to show your work while you talk.
Anyone in the channel can join mid-call without an invite.
✅ Result: Your team can now talk in real time and share screens without a meeting link.
💡 Pro Tip: Keep a short huddle session open while you work through a task together. It replaces a dozen back-and-forth messages.
How to Use Slack Tech Optimizer
Tech Optimizer lets you pull the tools your team already pays for into Slack so work happens in one window.
Here’s how to use it step by step.
Step 1: Audit Your Current Tools
List the tools your team checks every day.
Most teams find three or four they barely use.
Step 2: Browse the App Directory
Click Apps in the sidebar, then search the directory by name.
Here’s what this looks like:
✓ Checkpoint: Each connected app posts a confirmation message into your chosen channel.
Step 3: Connect Your Core Apps
Add Salesforce, Google Drive, or your ticketing tool with two clicks.
✅ Result: Alerts from other tools now land in Slack, so you stop hunting across tabs.
💡 Pro Tip: Connect one app per week instead of all at once. Your team gets time to understand each change.
How to Use Slack Connect
Slack Connect lets you invite people from outside your company into a shared channel.
Here’s how to use it step by step.
Step 1: Create a Shared Channel
Create a new channel named after the client or project.
Keep internal chat in a separate channel your guests cannot read.
Step 2: Invite the External Team
Click the channel name, then Invite people, then enter their work email.
Here’s what this looks like:
✓ Checkpoint: The channel header shows an external badge once your guest accepts.
Step 3: Set the Ground Rules
Post a short message covering scope, hours, and who answers what.
✅ Result: You can now communicate with partners in one channel instead of scattered email chains.
💡 Pro Tip: Ask clients to agree on response times in the first post. It stops awkward chasing later.
How to Use Slack Workflow Builder
Workflow Builder lets you automate repetitive jobs without writing a line of code.
Here’s how to use it step by step.
Step 1: Open Workflow Builder
Click the plus button, then choose Automations, then New workflow.
Step 2: Pick a Trigger
Choose events like a new member joining or an emoji reaction.
Here’s what this looks like:
✓ Checkpoint: The workflow shows a green Published label in your list.
Step 3: Add Steps and Publish
Add a form or a message step, then click Publish.
Test it on yourself once before you tell the team it is live.
✅ Result: Routine requests now run themselves while you work on something that matters more.
💡 Pro Tip: Start with your most boring repeat task. Onboarding checklists are the easiest first win for most teams.
How to Use Slack Document Sharing
Document Sharing lets you upload files from your computer and share important details inside a conversation.
Here’s how to use it step by step.
Step 1: Open the Message Box
Click the plus button beside the message box.
Step 2: Upload From Your Computer
Pick the file, or drag it straight into the channel.
Here’s what this looks like:
✓ Checkpoint: A preview card appears with the file name and a comment field below it.
Step 3: Add Context
Write one line explaining what changed and who should read it.
Check that the file landed in the right channel before you move on.
✅ Result: The file and the discussion around it now live in the same searchable place.
💡 Pro Tip: Post files in a channel, never in a DM. Future teammates can find them without asking you.
How to Use Slack Audio and Video Messaging
Audio and Video Messaging lets you record short videos and voice notes instead of typing a wall of text.
Here’s how to use it step by step.
Step 1: Click the Record Icon
Click the video or microphone icon in the message box.
Slack records your screen and your face together if you want both.
Step 2: Keep It Under Two Minutes
Say the one thing you need, then stop recording.
Here’s what this looks like:
✓ Checkpoint: Slack videos appear as a player card with an automatic transcript.
Step 3: Post the Clip
Click send so the clip posts into the channel.
✅ Result: Your team can watch a two-minute clip instead of sitting through another call.
💡 Pro Tip: Use a voice clip for tone-heavy feedback. Text hides warmth, and a short clip fixes that fast.
How to Use Slack Project Manager
Project Manager lets you run a whole project inside one channel with pinned resources and clear owners.
Here’s how to use it step by step.
Step 1: Create a Project Channel
Name it after the project, not the team.
Step 2: Pin the Key Resources
Pin the brief, the timeline, and the owner list to the channel.
Pinned posts sit at the top, so nobody has to search old messages.
Here’s what this looks like:
✓ Checkpoint: Pinned items show under the channel bookmark bar at the top.
Step 3: Assign and Follow Up
Mention specific people so the right people see each task.
✅ Result: Anyone joining later can read the pinned items and get up to speed alone.
💡 Pro Tip: Add a canvas to every project channel. It becomes the single page new joiners check first.
How to Use Slack Data Security and Privacy
Data Security and Privacy lets you control who can access your workspace and how long messages are kept.
Here’s how to use it step by step.
Step 1: Open Workspace Settings
Click your workspace name, then Settings and administration.
Step 2: Turn On Two-Factor
Require two-factor login for every user in the workspace.
Here’s what this looks like:
✓ Checkpoint: The security page shows two-factor listed as required.
Step 3: Set Retention Rules
Choose how long messages and files are kept before deletion.
Most teams keep one year of history and delete files after that.
✅ Result: Your workspace now meets the basic security bar most clients ask about.
💡 Pro Tip: Read the Slack documentation on retention before you change it. Deleted history does not come back.
How to Use Slackbot
Slackbot lets you set reminders and custom replies that quietly assist you all day.
Here’s how to use it step by step.
Step 1: Open the Slackbot DM
Find Slackbot in your direct messages list.
Step 2: Set a Reminder
Type slash remind me to send the report every Friday at 4pm.
Here’s what this looks like:
✓ Checkpoint: Slackbot confirms the reminder and shows the exact time it will fire.
Step 3: Add Custom Responses
Admins can set replies that fire on common questions.
A wifi password reply saves your team the same question every month.
✅ Result: Your reminders now arrive in Slack instead of a separate app you forget to check.
💡 Pro Tip: Set a Friday reminder to review your channel list. Two minutes of cleanup keeps your sidebar simple.
Slack Pro Tips and Shortcuts
After four years of daily use, here are the tips I give every new user.
Keyboard Shortcuts
| Action | Shortcut |
|---|---|
| Jump to any channel or person | Ctrl / Cmd + K |
| Search all messages and files | Ctrl / Cmd + F |
| Mark everything as read | Shift + Esc |
| Open the emoji picker | Ctrl / Cmd + Shift + \ |
Hidden Features Most People Miss
- Sidebar sections: Group your Slack channels by project or client so the noise drops to a dull roar.
- User groups: Create one group and mention it once, instead of tagging each person and losing their attention.
- Saved items and reminders: Save any post from the message menu, then let Slack resurface it later.
- Emoji reactions: React with a thumbs-up or a quick thanks when a message needs no reply.
Slack Common Mistakes to Avoid
Mistake #1: Joining every channel you find
❌ Wrong: You join forty channels, then miss the three that actually matter.
✅ Right: Join what your job needs, mute the rest, and leave anything you have not read in a month.
Mistake #2: Making decisions in direct messages
❌ Wrong: Two people agree something big in a DM, and nobody else ever sees it.
✅ Right: Use DMs for one-off conversations, then post the decision in the channel so the team can respond.
Mistake #3: Never touching notification settings
❌ Wrong: Every message pings your phone at 11pm, so you stop reading any of them.
✅ Right: Set a notification schedule and customize per-channel alerts to keyword mentions only.
Slack Troubleshooting
Problem: Notifications never arrive on your phone
Cause: Slack pauses mobile alerts while it sees you active on your computer.
Fix: Open Preferences, then Notifications, and shorten the mobile delay to immediately.
Problem: You cannot find an old message
Cause: The search bar defaults to channels you have joined.
Fix: Search the exact phrase, then add filters like from:name or in:channel to narrow the details.
Problem: A file upload keeps failing
Cause: The file passes the 1GB limit, or your free workspace storage is full.
Fix: Share a Drive link instead, or clear old uploads from the files list.
📌 Note: If none of these fix your issue, check the Slack help documentation or contact support.
What is Slack?
Slack is a collaboration hub where people, productivity and automation tools, and communication come together so teams get their best work done.
Think of it like one searchable office where every conversation has its own room.
Channels provide a dedicated space to send messages and share resources, and they are fundamental to working in Slack.
Watch this quick overview:
It includes these key features:
- Meeting Platform: Start a huddle or a full video call from any channel or DM
- Tech Optimizer: Connect third-party tools so alerts and actions land in Slack
- Slack Connect: Share channels with clients, vendors, and partners outside your company
- Workflow Builder: A no-code tool for building workflows that run on a trigger
- Document Sharing: Upload, preview, and comment on files without leaving the thread
- Audio and Video Messaging: Record clips so teammates can watch or listen on their own schedule
- Project Manager: Channels, canvases, and lists that keep a project in one place
- Data Security and Privacy: Two-factor login, retention rules, and granular admin controls
- Slackbot: Built-in reminders, custom responses, and quick answers
Slack is owned by Salesforce, and it supports real-time messaging, content sharing, and learning in one searchable platform.
For a full review, see our Slack review.
Slack Pricing
Here’s what Slack costs in 2026:
| Plan | Price | Best For |
|---|---|---|
| Free | $0 | Small teams testing channels and direct messages |
| Pro | $4.38/user/month | Teams that need full message history and unlimited apps |
| Business+ | $9/user/month | Growing companies that need single sign-on and compliance exports |
| Enterprise+ | Contact Sales | Large organisations with strict security rules |
Free trial: Yes — the free plan runs forever, and paid plans offer a trial.
Money-back guarantee: No standard refund window, but you only pay for active users.
💰 Best Value: Pro at $4.38/user/month — it unlocks full search history and unlimited Slack apps, which is where most teams get stuck on the free plan.
Slack vs Alternatives
How does Slack compare? Here’s the competitive landscape.
Watch this comparison:
| Tool | Best For | Price | Rating |
|---|---|---|---|
| Slack | App depth and search | $4.38/user/mo | ⭐ 4.6 |
| Microsoft Teams | Microsoft 365 teams | $4/user/mo | ⭐ 4.4 |
| Google Chat | Google Workspace teams | $7/user/mo | ⭐ 4.2 |
| Discord | Communities | $0/mo | ⭐ 4.4 |
| Zenzap | Small teams | $6/user/mo | ⭐ 4.5 |
| Twist | Async work | $6/user/mo | ⭐ 4.3 |
| Mattermost | Self-hosting | $10/user/mo | ⭐ 4.3 |
Quick picks:
- Best overall: Slack — the deepest app directory and the fastest search.
- Best budget: Google Chat — free with Workspace, and simple to set up.
- Best for beginners: Zenzap — almost nothing to learn on day one.
- Best for async teams: Twist — threads first, so nobody feels chained to a green dot.
🎯 Slack Alternatives
Looking for Slack alternatives? Here are the top options:
- 🚀 Microsoft Teams: Built into Microsoft 365, so meetings, files, and chat sit beside Word and Excel.
- 💰 Google Chat: Included free with Google Workspace, with Drive and Meet built straight into every conversation.
- 🌟 Discord: Free voice channels and a huge community culture, strong for open groups and creator teams.
- ⚡ Zenzap: A simple chat app with task tracking built in, aimed at small teams that hate setup.
- 🧠 Twist: Thread-first design that removes the always-online pressure, made for remote teams across time zones.
- 🔒 Mattermost: Open-source and self-hostable, so security teams keep every message on their own servers.
For the full list, see our Slack alternatives guide.
⚔️ Slack Compared
Here’s how Slack stacks up against each competitor:
- Slack vs Microsoft Teams: Teams wins on bundled value if you already pay for Microsoft 365. Slack wins on app quality and daily speed.
- Slack vs Google Chat: Google Chat costs nothing extra on Workspace. Slack has far more apps and a much better search.
- Slack vs Discord: Discord is free and great for a community. Slack is built for paid work, with admin and compliance controls.
- Slack vs Zenzap: Zenzap is faster to set up. Slack scales further once your team passes twenty people.
- Slack vs Twist: Twist is calmer for async teams. Slack is better when you need live huddles and instant answers.
- Slack vs Mattermost: Mattermost wins on data control. Slack wins on polish, apps, and how little training people need.
Start Using Slack Now
You learned how to use every major Slack feature:
- ✅ Meeting Platform
- ✅ Tech Optimizer
- ✅ Slack Connect
- ✅ Workflow Builder
- ✅ Document Sharing
- ✅ Audio and Video Messaging
- ✅ Project Manager
- ✅ Data Security and Privacy
- ✅ Slackbot
Next step: Pick one feature and try it now.
Most people start with the Meeting Platform.
It takes less than five minutes.
Frequently Asked Questions
What is Slack used for?
Slack is used for team messages, file sharing, and calls. Channels organise work by topic, and direct messages handle quick one-off conversations between two people.
Can my boss see what I do on Slack?
Workspace owners can request exports on paid plans, including private messages, with approval. Assume anything you post at work can be read by someone.
Why do people use Slack instead of email?
Slack keeps conversations searchable and grouped by topic. Replies land in seconds, apps post updates automatically, and new joiners can read past channel history.
Is Slack free to use?
Yes. The free plan covers channels, direct messages, huddles, and ten app connections. Paid plans start at $4.38 per user monthly for full history.
How is Slack different from Microsoft Teams?
Slack has a bigger app directory and faster search. Teams bundles video and Office files, so it suits companies already paying for Microsoft 365.
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