Slack notifications help you stay updated with new messages, mentions, and important alerts from your workspace. When notifications stop working, you may miss direct messages, channel updates, or reminders, which can affect productivity and communication.
If Slack notifications are not appearing on Windows 11, the issue is usually caused by disabled Windows notification settings, incorrect Slack preferences, Focus Assist (Do Not Disturb), background permission restrictions, or outdated app versions. Fortunately, most notification problems can be fixed with a few configuration changes.
If Slack notifications are not working in Windows 11, follow the troubleshooting steps below.
How to Fix Slack Notifications Not Working in Windows 11
Work through each method in order. After completing a step, send yourself a test message to check if notifications appear.
1. Enable Notifications in Windows Settings
Windows notifications must be enabled for Slack to display alerts.
- Press Windows + I to open Settings.
- Go to System > Notifications.
- Ensure Notifications is turned On.
- Scroll down and find Slack.
- Make sure notifications are enabled for Slack.
- Enable Show notification banners and Play a sound.
Once enabled, test Slack notifications again.
2. Check Slack Notification Preferences
Slack’s internal settings may disable alerts.
- Open Slack.
- Click your profile picture in the top-right corner.
- Select Preferences.
- Go to Notifications.
- Ensure notifications are enabled for:
- All new messages or Direct messages and mentions.
- Confirm that the correct notification sound and alert options are selected.
Save the settings and test notifications again.
3. Disable Do Not Disturb Mode in Slack
Slack may be set to Do Not Disturb.
- Open Slack.
- Click your profile icon.
- Check if Pause notifications or Do Not Disturb is enabled.
- If enabled, turn it Off.
Once disabled, notifications should resume.
4. Turn Off Focus Assist in Windows
Focus Assist blocks notifications during certain activities.
- Press Windows + I.
- Go to System > Notifications.
- Ensure Do not disturb is turned Off.
- Click Turn on do not disturb automatically.
- Disable any automatic rules if necessary.
This allows Slack notifications to appear normally.
5. Allow Slack to Run in the Background
If background activity is restricted, notifications may fail.
- Press Windows + I.
- Go to Apps > Installed apps.
- Locate Slack in the list.
- Click the three-dot menu and select Advanced options.
- Under Background app permissions, choose Always.
Restart Slack afterward.
6. Update Slack to the Latest Version
Outdated versions may cause notification issues.
- Open Slack.
- Click your profile picture.
- Select Check for updates.
- Install available updates.
- Restart the Slack app.
Updates often fix notification-related bugs.
7. Restart Windows Explorer
Refreshing system processes may restore notifications.
- Press Ctrl + Shift + Esc to open Task Manager.
- Locate Windows Explorer.
- Right-click it and select Restart.
- Wait for the taskbar to refresh.
Test Slack notifications again.
8. Clear Slack Cache
Corrupted app cache may cause notification issues.
- Close Slack completely.
- Press Windows + R.
- Type:
%appdata%\Slack - Press Enter.
- Delete cache-related folders if present.
- Restart Slack.
The application will rebuild its cache automatically.
9. Reinstall Slack
If notifications still do not work, reinstall the app.
- Press Windows + I.
- Go to Apps > Installed apps.
- Locate Slack.
- Click the three-dot menu and select Uninstall.
- Restart your PC.
- Download and install the latest version of Slack from the official website.
A fresh installation often resolves persistent issues.
10. Install Windows Updates
Outdated Windows builds may affect notification services.
- Press Windows + I.
- Go to Windows Update.
- Click Check for updates.
- Install available updates.
- Restart your PC.
Updates often include fixes for system notifications.
Conclusion
If Slack notifications are not working in Windows 11, the issue is typically caused by disabled notification settings, Focus Assist restrictions, incorrect Slack preferences, or outdated app versions. In most cases, enabling Windows notifications and adjusting Slack’s notification preferences resolves the problem quickly.
By following the troubleshooting steps above, you should be able to restore Slack notifications and stay updated with messages and alerts without interruptions. If the problem persists, reinstalling Slack or updating Windows may help resolve deeper configuration issues.
