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Slack Pro の解約方法
最終更新日：2026年3月8日
Slack's free tier limits message history to 90 days but still supports unlimited channels and 1:1 video calls. Only workspace owners/admins can downgrade.
Slack Pro を直接解約
公式の解約ページを開きます
ステップバイステップの手順
Website
おすすめ- 1
Go to your Slack workspace settings
- 2
Navigate to Billing → Manage plan
- 3
Click 'Downgrade to Free'
- 4
Confirm your decision
知っておくと便利
- •Only workspace owners/admins can change the plan.
- •Free tier: 90-day message history, 10 app integrations, 1:1 video calls.
- •Export your data before downgrading if you need older messages.
よくある質問
Will we lose our messages?
Messages older than 90 days become hidden (not deleted) on the free plan. Upgrading again restores access to full history.