How to Migrate from Slack (and Why You Should Consider It in 2026)

You’re probably here because Slack’s free plan now hides messages older than 90 days, or your per-seat bill is creeping up faster than your team is growing. Or maybe you just want to own your data again. Whatever the reason, switching away from Slack is more doable in 2026 than ever—but you need to dodge a few traps.

This isn’t a list of alternatives (you can find that on our Slack alternatives pillar page). It’s a practical guide for anyone seriously considering the move.

Real Reasons People Leave Slack

Slack is still a great product, but it’s not the right fit for everyone anymore. Here’s what’s driving people away:

• The 90-day message limit on the free plan. If you’re a small team on the free tier, you lose access to history older than 90 days unless you upgrade. That’s a deliberate nudge to pay up.
• Per-seat pricing adds up fast. At $8.75/user/month for Pro and up to $18/user/month for Business+, a 100-person team pays $8,750–$18,000/year just for chat. For many teams, that’s hard to justify.
• No self-hosting. Slack is cloud-only. If you need data ownership, compliance control, or air-gapped deployment, you’re out of luck.
• Feature gating and price hikes. Slack keeps moving features (like workflows or advanced analytics) into higher tiers, and prices have gone up. It feels like a tax on growth.

Before You Migrate: Check These Three Things

1. Pricing Traps

Don’t assume the alternative is cheaper just because of the sticker price. Factor in:

• Hidden costs: Does the alternative charge for things like guest users, message history retention, or integrations? Discord is free, but you might need Nitro ($9.99/mo) for higher file upload limits. Zulip is free but you’ll pay for hosting if you self-host.
• Overprovisioning: If you have 100 users but only 50 are active, Slack charges for all 100. Some alternatives, like Microsoft Teams, bundle with existing subscriptions (M365 Business Basic at $6/user/mo includes chat, video, and Office apps).

2. Data Export

Slack lets you export public channel messages (and some private ones) via its export tool. But threads, reactions, and file attachments may not come through cleanly. Export before you cancel—once you delete the workspace, it’s gone.

• Pro tip: Use a third-party tool like Slack Exporter or a migration service if you need full fidelity. Budget a few hours for manual cleanup.

3. Lock-In and Migration Effort

Slack’s lock-in is real: custom integrations, bots, and channel structures. The more you’ve built, the harder the move. Assess:

• Integrations: List every app connected to Slack (Google Drive, Jira, GitHub, etc.). Check if the new tool has native integrations or if you’ll need a middleman like Zapier.
• User adoption: Switching chat tools is like moving offices—everyone hates it for the first week. Plan a phased rollout with champions in each team.

Which Alternative Fits Your Needs?

Here’s the short version. For full details, see our Slack alternatives page.

Microsoft Teams ($4/user/mo with M365 Business Basic)

Best for: Organizations already paying for Microsoft 365. If you’re on Exchange, SharePoint, or Office, Teams is a no-brainer. It’s more complex than Slack, but the integration is tight. Migration is moderate—export Slack data and import via Teams’ native tools or third-party services.

Compare Slack vs Microsoft Teams

Discord (Free, optional Nitro $9.99/mo)

Best for: Startups, communities, and lean teams that want free, casual chat. Discord is great for real-time conversation, but it’s not built for formal work—think fewer admin controls, no threaded DMs, and a gaming-centric UI. Migration is moderate; you’ll manually export channels or use a bot.

Compare Slack vs Discord

Zulip (Free, open source)

Best for: Async, distributed, or open-source teams that value threading and ownership. Zulip’s topic-based threading is superior for keeping conversations organized across time zones. It’s free (self-hosted or cloud), and migration is moderate—there’s a built-in Slack import tool.

Compare Slack vs Zulip

Mattermost (Free, open source)

Best for: Security- and compliance-driven orgs that must self-host their chat. Mattermost is the closest open-source alternative to Slack, with similar UI and integrations. Migration is hard—you’ll need to handle data export and re-map channels and permissions manually.

Compare Slack vs Mattermost

The Migration Playbook (Step-by-Step)

1. Audit your Slack workspace. Note channels, members, integrations, and message history. Decide what you need to keep.
2. Export data. Use Slack’s export tool. For private channels and DMs, you’ll need a Plus plan or a third-party service.
3. Set up the new tool. Configure channels, permissions, and integrations before inviting users.
4. Invite a pilot group. Run a 2-week trial with a small team to iron out issues.
5. Migrate everyone. Announce the switch, set a cut-off date, and archive Slack after a transition period.
6. Delete Slack data (optional). If you’re moving for data ownership, wipe your Slack workspace after the export.

FAQ

Can I migrate my Slack message history to a new tool? Yes, but fidelity varies. Most tools have import tools for public channels. Private messages and threads may not transfer perfectly. Expect some loss.

What about Slack apps and bots? Check if the new tool has equivalents. Many popular apps (Jira, GitHub) have native integrations. For custom bots, you may need to rebuild.

Is it worth switching if we’re on the free plan? If you’re hitting the 90-day limit, yes. Discord or Zulip are free and give you full history. Just be ready for a learning curve.

How long does migration take? For a small team (under 50), expect 1-2 weeks. For larger orgs, 1-3 months including testing and training.

Will I save money? Depends. If you’re on Slack Pro with 50 users ($4,375/year), moving to Zulip or Mattermost (free) saves thousands. But if you switch to Teams because you already have M365, you’re paying nothing extra. Calculate total cost of ownership including admin time.

Final Take

Slack is not a bad tool—it’s just expensive and restrictive for many teams. If you value data ownership, lower costs, or async workflows, the alternatives in 2026 are mature and capable. The hardest part is the initial push; after that, most teams don’t look back.

For a full list of alternatives with detailed comparisons, check out our Slack alternatives page.