Fix Notifications Not Working in Slack: Missed Messages Solution (2026)
How to Fix “Notifications Not Working” in Slack (2026 Guide) The Short Answer To fix notifications not working in Slack, advanced users can try toggling off the “Do Not Disturb” mode and then restarting the Slack application, which can resolve the issue in under 30 seconds. Additionally, checking the OS-level permission settings for Slack can help identify and resolve any permission blocks that may be causing the issue. Why This Error Happens Reason 1: The most common cause of notifications not working in Slack is the “Do Not Disturb” mode being enabled, which can silence notifications for a set period of time or indefinitely. This feature is designed to help users focus or avoid distractions during certain hours, but it can sometimes be enabled accidentally. Reason 2: An edge case cause of this issue is OS-level permission blocks, where the operating system restricts Slack from sending notifications due to permission settings. This can occur when a user has previously denied Slack permission to send notifications or when the system has automatically blocked notifications from Slack. Impact: The impact of notifications not working in Slack can be significant, resulting in missed messages, delayed responses, and decreased productivity. In a typical team setting, this can lead to misunderstandings, miscommunications, and errors, ultimately affecting the team’s overall performance and efficiency. Step-by-Step Solutions Method 1: The Quick Fix Go to Settings > Notifications > Do Not Disturb Toggle Do Not Disturb to Off Refresh the Slack page or restart the application to apply the changes. Method 2: The Command Line/Advanced Fix For users experiencing OS-level permission blocks, the following steps can be taken: ...