How to Clear Slack Cache

Updated on:

June 5, 2026

By:

Use this interactive demo to learn how to clear the cache in Slack using the Troubleshooting menu.

Quick summary

Clearing the Slack cache resolves performance issues and app glitches by removing temporary stored data. You can do this in three quick steps directly from the Help menu without reinstalling the app.

Steps

Open the Help option in the Slack menu bar.
Select Troubleshooting from the dropdown list.
Click Clear Cache and Exit to clear the cache and restart Slack.

📌 Why this matters

Clearing the Slack cache is a fast, built-in fix for common issues like slow performance, missing messages, or a frozen interface — no reinstall required. The Clear Cache and Exit option, found under Help > Troubleshooting, removes corrupted or outdated temporary files that can degrade the Slack desktop experience. This three-step process takes under a minute and is the recommended first troubleshooting step for Slack desktop app problems. Knowing how to clear the Slack cache helps teams maintain productivity without waiting for IT support.

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