Démarrage rapide
Ce guide couvre toutes les fonctionnalités de Slack :
- Commencer — Create your account and finish the basic setup
- Comment utiliser la plateforme de réunion — Run instant audio and video meetings inside any channel without booking a calendar slot
- Comment utiliser Tech Optimizer — Bring your scattered tools into one place so your team stops switching windows
- Comment utiliser Slack Connect — Work with clients and partners in shared channels instead of long email threads
- Comment utiliser Workflow Builder — Automate repeat requests with a no-code builder that anyone on the team can use
- Comment utiliser le partage de documents — Upload files from your computer and keep every version attached to the discussion
- Comment utiliser la messagerie audio et vidéo — Record short videos and voice clips so people can watch when it suits them
- Comment utiliser Project Manager — Turn a channel into a project hub with pinned resources, lists, and owners
- Comment utiliser la sécurité et la confidentialité des données — Lock down access with two-factor login, retention rules, and admin controls
- Comment utiliser Slackbot — Set reminders and custom auto-responses that assist your team all day
Temps nécessaire : 5 minutes par fonctionnalité
Vous trouverez également dans ce guide : Conseils de pro | Erreurs courantes | Dépannage | Tarification | Alternatives
Pourquoi faire confiance à ce 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.
Mais la plupart des gens n'exploitent qu'une infime partie de ses possibilités.
Ce guide vous montre comment utiliser chaque fonctionnalité principale, étape par étape.
By the end you can start conversations in the right channels, explore Slack apps, and run a productive day without drowning in notifications.
Tutoriel Slack
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.
Mou
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.
Premiers pas avec Slack
Avant d'utiliser une quelconque fonctionnalité, veuillez terminer cette configuration unique.
Cela prend environ trois minutes.
Watch my personal experience with Slack first:
Passons maintenant en revue chaque étape.
Étape 1 : Créez votre compte
Go to the Slack website on your computer.
Cliquez sur « S’inscrire » et saisissez votre adresse e-mail professionnelle.
Name your workspace after your company or your team.
✓ Point de contrôle: Vérifiez votre boîte de réception for the confirmation code.
Étape 2 : Téléchargez l'application
Download the desktop app for Mac ou Windows.
Mobile apps cover iOS and Androïde, so you get access from any device.
Voici à quoi ressemble le tableau de bord :
✓ Point de contrôle: 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.
✅ Terminé : Vous êtes prêt à utiliser n'importe quelle fonctionnalité ci-dessous.
Comment utiliser la plateforme de réunion Slack
Réunion Plate-forme lets you hold a live huddle with your team in seconds, right where the conversation already lives.
Voici comment l'utiliser étape par étape.
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.
Voici à quoi cela ressemble :
✓ Point de contrôle: A live huddle bar appears with each user shown as a small avatar.
Étape 3 : Partagez votre écran
Click the screen icon to show your work while you talk.
Anyone in the channel can join mid-call without an invite.
✅ Résultat : Your team can now talk in real time and share screens without a meeting link.
💡 Conseil de pro : Keep a short huddle session open while you work through a task together. It replaces a dozen back-and-forth messages.
Comment utiliser Slack Tech Optimizer
Optimiseur technologique lets you pull the tools your team already pays for into Slack so work happens in one window.
Voici comment l'utiliser étape par étape.
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.
Voici à quoi cela ressemble :
✓ Point de contrôle: Each connected app posts a confirmation message into your chosen channel.
Step 3: Connect Your Core Apps
Ajouter Salesforce, Google Drive, or your ticketing tool with two clicks.
✅ Résultat : Alerts from other tools now land in Slack, so you stop hunting across tabs.
💡 Conseil de pro : Connect one app per week instead of all at once. Your team gets time to understand each change.
Comment utiliser Slack Connect
Connexion Slack lets you invite people from outside your company into a shared channel.
Voici comment l'utiliser étape par étape.
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.
Voici à quoi cela ressemble :
✓ Point de contrôle: 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.
✅ Résultat : You can now communicate with partners in one channel instead of scattered email chains.
💡 Conseil de pro : Ask clients to agree on response times in the first post. It stops awkward chasing later.
Comment utiliser Slack Workflow Builder
Flux de travail Constructeur lets you automate repetitive jobs without writing a line of code.
Voici comment l'utiliser étape par étape.
Étape 1 : Ouvrir Workflow Builder
Click the plus button, then choose Automations, then New workflow.
Étape 2 : Choisir un déclencheur
Choose events like a new member joining or an emoji reaction.
Voici à quoi cela ressemble :
✓ Point de contrôle: The workflow shows a green Published label in your list.
Étape 3 : Ajouter des étapes et publier
Add a form or a message step, then click Publish.
Test it on yourself once before you tell the team it is live.
✅ Résultat : Routine requests now run themselves while you work on something that matters more.
💡 Conseil de pro : Start with your most boring repeat task. Onboarding checklists are the easiest first win for most teams.
Comment utiliser le partage de documents Slack
Partage de documents lets you upload files from your computer and share important details inside a conversation.
Voici comment l'utiliser étape par étape.
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.
Voici à quoi cela ressemble :
✓ Point de contrôle: 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.
✅ Résultat : The file and the discussion around it now live in the same searchable place.
💡 Conseil de pro : Post files in a channel, never in a DM. Future teammates can find them without asking you.
Comment utiliser la messagerie audio et vidéo de Slack
Messagerie audio et vidéo lets you record short videos and voice notes instead of typing a wall of texte.
Voici comment l'utiliser étape par étape.
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.
Voici à quoi cela ressemble :
✓ Point de contrôle: 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.
✅ Résultat : Your team can watch a two-minute clip instead of sitting through another call.
💡 Conseil de pro : Utilisez un voix clip for tone-heavy feedback. Text hides warmth, and a short clip fixes that fast.
Comment utiliser Slack Project Manager
Chef de projet lets you run a whole project inside one channel with pinned resources and clear owners.
Voici comment l'utiliser étape par étape.
Étape 1 : Créer un canal de projet
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.
Voici à quoi cela ressemble :
✓ Point de contrôle: 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.
✅ Résultat : Anyone joining later can read the pinned items and get up to speed alone.
💡 Conseil de pro : Add a canvas to every project channel. It becomes the single page new joiners check first.
Comment utiliser Slack pour la sécurité et la confidentialité des données
Données Sécurité et confidentialité lets you control who can access your workspace and how long messages are kept.
Voici comment l'utiliser étape par étape.
Étape 1 : Ouvrir les paramètres de l’espace de travail
Click your workspace name, then Settings and administration.
Step 2: Turn On Two-Factor
Require two-factor login for every user in the workspace.
Voici à quoi cela ressemble :
✓ Point de contrôle: 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.
✅ Résultat : Your workspace now meets the basic security bar most clients ask about.
💡 Conseil de pro : Read the Slack documentation on retention before you change it. Deleted history does not come back.
Comment utiliser Slackbot
Slackbot lets you set reminders and custom replies that quietly assist you all day.
Voici comment l'utiliser étape par étape.
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.
Voici à quoi cela ressemble :
✓ Point de contrôle: 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.
✅ Résultat : Your reminders now arrive in Slack instead of a separate app you forget to check.
💡 Conseil de pro : Set a Friday reminder to review your channel list. Two minutes of cleanup keeps your sidebar simple.
Astuces et raccourcis pour les pros de Slack
After four years of daily use, here are the tips I give every new user.
Raccourcis clavier
| Action | Raccourci |
|---|---|
| Jump to any channel or person | Ctrl/Cmd + K |
| Search all messages and files | Ctrl / Cmd + F |
| Mark everything as read | Maj + Échap |
| Open the emoji picker | Ctrl / Cmd + Shift + \ |
Fonctionnalités cachées que la plupart des gens ignorent
- 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.
Erreurs courantes à éviter sur Slack
Mistake #1: Joining every channel you find
❌ Faux : You join forty channels, then miss the three that actually matter.
✅ À droite : 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
❌ Faux : Two people agree something big in a DM, and nobody else ever sees it.
✅ À droite : Use DMs for one-off conversations, then post the decision in the channel so the team can respond.
Mistake #3: Never touching notification settings
❌ Faux : Every message pings your phone at 11pm, so you stop reading any of them.
✅ À droite : Set a notification schedule and customize per-channel alerts to keyword mentions only.
Dépannage Slack
Problem: Notifications never arrive on your phone
Cause: Slack pauses mobile alerts while it sees you active on your computer.
Réparer: 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.
Réparer: 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.
Réparer: 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.
Qu'est-ce que Slack ?
Mou 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.
Regardez ce bref aperçu :
Il comprend les fonctionnalités clés suivantes :
- Plateforme de réunion : Start a huddle or a full video call from any channel or DM
- Optimiseur technologique : Connect third-party tools so alerts and actions land in Slack
- Connexion Slack : Share channels with clients, vendors, and partners outside your company
- Générateur de flux de travail : A no-code tool for building workflows that run on a trigger
- Partage de documents : Upload, preview, and comment on files without leaving the thread
- Messagerie audio et vidéo : Record clips so teammates can watch or listen on their own schedule
- Chef de projet: Channels, canvases, and lists that keep a project in one place
- Sécurité et confidentialité des données : 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.
Pour une analyse complète, consultez notre Avis sur Slack.
Tarification Slack
Voici le coût de Slack en 2026 :
| Plan | Prix | Idéal pour |
|---|---|---|
| Gratuit | $0 | Small teams testing channels and direct messages |
| Pro | 4,38 $/utilisateur/mois | Teams that need full message history and unlimited apps |
| Affaires+ | 9 $/utilisateur/mois | Growing companies that need single sign-on and compliance exports |
| Entreprise+ | Contactez le service commercial | Large organisations with strict security rules |
Essai gratuit : Yes — the free plan runs forever, and paid plans offer a trial.
Garantie de remboursement : No standard refund window, but you only pay for active users.
💰 Meilleur rapport qualité-prix : 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 contre les alternatives
How does Slack compare? Here’s the competitive landscape.
Regardez cette comparaison :
| Outil | Idéal pour | Prix | Notation |
|---|---|---|---|
| Mou | App depth and search | $4.38/user/mo | ⭐ 4,6 |
| Microsoft Teams | Équipes Microsoft 365 | 4 $/utilisateur/mois | ⭐ 4,4 |
| Google Chat | Équipes Google Workspace | 7 $/utilisateur/mois | ⭐ 4.2 |
| Discorde | Communities | 0 $/mois | ⭐ 4,4 |
| Zenzap | petites équipes | 6 $/utilisateur/mois | ⭐ 4,5 |
| Torsion | Async work | 6 $/utilisateur/mois | ⭐ 4,3 |
| Mattermost | Auto-hébergement | 10 $/utilisateur/mois | ⭐ 4,3 |
Sélection rapide :
- Meilleur résultat global : Slack — the deepest app directory and the fastest search.
- Meilleur budget : Google Chat — free with Workspace, and simple to set up.
- Idéal pour les débutants : Zenzap — almost nothing to learn on day one.
- Idéal pour les équipes asynchrones : Twist — threads first, so nobody feels chained to a green dot.
🎯 Alternatives à Slack
Vous cherchez des alternatives à Slack ? Voici les meilleures 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.
- 🌟 Discorde: 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.
- 🧠 Torsion: 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.
Pour la liste complète, consultez notre Alternatives à Slack guide.
⚔️ Comparaison avec Slack
Voici comment Slack se compare à chacun de ses concurrents :
- Slack contre Microsoft Teams : Teams wins on bundled value if you already pay for Microsoft 365. Slack wins on app quality and daily speed.
- Slack contre Google Chat : Google Chat costs nothing extra on Workspace. Slack has far more apps and a much better search.
- Slack contre Discord : Discord is free and great for a community. Slack is built for paid work, with admin and compliance controls.
- Slack contre 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 contre Mattermost : Mattermost wins on data control. Slack wins on polish, apps, and how little training people need.
Commencez à utiliser Slack dès maintenant
Vous avez appris à utiliser toutes les principales fonctionnalités de Slack :
- ✅ Plateforme de réunion
- ✅ Optimiseur technologique
- ✅ Connexion Slack
- ✅ Générateur de flux de travail
- ✅ Partage de documents
- ✅ Messagerie audio et vidéo
- ✅ Chef de projet
- ✅ Sécurité et confidentialité des données
- ✅ Slackbot
Étape suivante : Choisissez une fonctionnalité et essayez-la dès maintenant.
Most people start with the Meeting Platform.
Cela prend moins de cinq minutes.
Foire aux questions
À quoi sert Slack ?
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.
Mon patron peut-il voir ce que je fais sur 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.
Pourquoi les gens utilisent-ils Slack plutôt que le courrier électronique ?
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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