FIX: Slack notifications not working on Windows 10

Aleksandar Ognjanovic
by Aleksandar Ognjanovic
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  • Slack is one of the most popular collaboration software and instant messaging platforms currently on the market.
  • If Slack notifications aren’t not showing, make sure that notifications are actually enabled and clear the application cache.
  • If you want to learn more about Slack and other productivity tools, we suggest you check out our productivity software hub.
  • We covered Slack issues in great detail in our Slack errors hub so if you have any more problems, be sure to check it out.
slack notifications not showing

Slack is, in the opinion of many professionals, the best team collaboration service at the moment. The overall usability followed by the intuitive design and worthy premium features for the ones who need more.

The only major dealbreaker might be the fact it’s a cloud-based service, so it stores all user data on Slack’s servers.

Of course, there are also minor issues and one we’ll try and resolve today are Slack pop-up notifications which are not working for some users.

How do I get Slack pop-up notifications working on Windows?

  1. Read all messages and make sure desktop notifications are enabled
  2. Clear application cache
  3. Check system settings
  4. Reinstall Slack

1. Read all messages and make sure desktop notifications are enabled

  1. Open Slack.
  2. Roam through all channels to check all unread messages.
  3. Now, press Ctrl + Comma to open Preferences.
  4. Choose Notifications from the left pane.
  5. Enable all notifications and disable the Do not disturb mode.notification settings slack pop up notifications not working
  6. Now, under the Deliver notifications via… drop-down menu, select either Windows native notifications or Built-in notifications.deliver notifications via slack pop up notifications not working
  7. Open individual channels, click on the cog icon and open Notification preferences.
  8. Make sure notifications are enabled for Desktop.muting options slack pop up notifications not working
  9. Exit Preferences and restart Slack.

Now check if your Slack notifications are working properly.


2. Clear application cache

Slack client for Desktop

  1. Open Slack.
  2. Click on the hamburger menu in the top left corner and choose Help > Troubleshooting > Clear cache and Restart.clear cache slack pop up notifications not working
  3. You can repeat the action and clear app‘s data as well.

Slack UWP from Microsoft Store

  1. Open Start.
  2. Right-click on the Slack app and choose More > App settings from the contextual menu.reset slack slack pop up notifications not working
  3. Try firstly with the Repair and, if it doesn’t work, go for the Reset option.

After that, notifications should come through without any issues. On the other hand, if you’re still having problems with Slack notifications not working, feel free to continue to next troubleshooting step.


Did you know that Slack is better than Skype? Here’s why!


3. Check system settings

  1. Press Windows key + I to summon the Settings app.
  2. Open System.
  3. Choose Notifications & actions from the left pane.
  4. Scroll down until you reach Slack and toggle notifications On.notification settings slack pop up notifications not working

After enabling notifications, check if the Slack notifications are working properly.


4. Reinstall Slack

Finally, if none of the previous steps worked for you, consider reinstalling Slack for Desktop (better choice than UWP in our opinion) and stick with it.

With that said, we can conclude this article. In case you have any alternative solutions or additional questions we forgot to answer, feel free to tell us in the comments section.

FAQ: Learn more about Slack notifications

  • How does Slack work?

Slack works as a messaging and collaboration application for teams. It allows you to create channels in order to communicate and collaborate better with your team members.

  • How do I turn on notifications in Slack?

Open Preferences > Notifications in Slack. Enable all notifications and disable Do not disturb mode. It’s advised to check every channel and ensure that notifications are enabled for it.

  • How do I change Slack notifications?

To change Slack notifications simply navigate to Preferences > Notifications and you’ll be able to fully customize your notifications from there.

  • How is Slack different from email?

Slack works as an instant messaging platform, and unlike email, it allows you to communicate and share files with your team members in real-time.

Editor’s Note: This post was originally published in November 2018 and has been since revamped and updated in March 2020 for freshness, accuracy, and comprehensiveness.