Sometimes the Slack service may not work due to various problems. There are a couple of simple solutions that can work. Below we will tell you how to use Slack on iPhone, Mac, Android, PC, or in the browser, even when the service does not work.

Slack Not Working on iPhone or MAC: Here's how to fix it

Why is Slack Not Working on iPhone or MAC?

The reasons may be different. For example, Slack recently didn’t work because of DNS-related changes. To solve the problem, you had to ask your ISP to reset the DNS history for Slack.

At that time, the problems were solved quite quickly. We’ll tell you what to do if it ever happens again.

Solution 1: Change the DNS of your iPhone or Mac to use Slack

Slack can work if you switch to Google DNS.

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Changing the DNS of your device is not very difficult. We have instructions on that. Just remember to use Google DNS.

The ways to change DNS settings on Android and PC are different, so you’ll have to look for separate instructions for them.

Solution 2: Use app if Slack doesn’t work on iPhone or Mac – an application for solving problems with DNS, and with its help the Slack service can be made to work. Best of all, you don’t have to change anything at your device’s settings.

Slack Not Working on iPhone or MAC: Here's how to fix it

Just download the app to your iPhone, Mac, Android, or Windows PC and use it. When the app is active, open the Slack app and it should work.

Additional Solutions

  • Restart your device and Wi-Fi router.
  • Switch to a different Wi-Fi network.
  • Clear your browsing history if you use Slack in it.
  • Uninstall the Slack app and reinstall it.

It’s important to note that as long as the service isn’t working, your messages don’t go anywhere. Once Slack is up and running, you’ll see all your incoming messages.


Ruby has been a writer and author for a while, and her content appears all across the tech world, from within ReadWrite, BusinessMagazine, ThriveGlobal, etc.

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