Slack How-To Guide
Updated 2026
🎁 How to Create an Anonymous Suggestion Box in Slack?
Direct Answer / Summary:
To create an anonymous suggestion box in Slack, add OpenSay from opensay.co (free tier available), create a dedicated channel (e.g. #suggestions or #ama), invite @OpenSay, and whitelist the channel in the dashboard at app.opensay.co.
Anonymous suggestion box is tool that is usually used by management to hedge against their self imposed thought silos.
With OpenSay, since we allow anonymous conversations, any channel becomes a suggestion box.
Some teams prefer to allow anonymous discussions only for specific public or private channels (see Channel Whitelisting)
Ready to use this in your Slack workspace?
Install OpenSay to enable anonymous messages, polls, whispers, and psychological safety in Slack in under 60 seconds.