How to Fix a Microsoft Authenticator App Not Working: Troubleshooting Tips

When the Microsoft Authenticator app stops working, it can be frustrating, but don’t worry, there’s a fix! To get the app up and running again, you’ll need to check your device’s settings, make sure you have the latest version of the app, clear the cache, and possibly reinstall the app if none of the other steps work. So, let’s dive in and get that app working again, shall we?

Step by Step Tutorial to Fix a Microsoft Authenticator App Not Working

Before we dive into the steps, let’s understand what we’re trying to achieve. These steps will help you troubleshoot common issues with the Microsoft Authenticator app, such as syncing problems, login issues, or simply the app not opening. By following these steps, you should be able to resolve the problem and get back to using the app as intended.

Step 1: Check Your Device’s Settings

First things first, make sure your device’s time and date are correct. Incorrect settings can mess with the app’s functionality.

If your time and date are off, it can cause synchronization issues with the Microsoft Authenticator app. The app relies on accurate time to generate codes that sync with the server’s time, so even a small discrepancy can cause a problem. Make sure to set your device to update the time automatically to avoid this issue in the future.

Step 2: Update the App

Next, ensure you have the latest version of the Microsoft Authenticator app installed.

Developers frequently release updates to fix bugs and improve performance. If you’re running an outdated version of the app, you might be missing out on these improvements. Head over to your device’s app store, search for Microsoft Authenticator, and hit update if it’s available.

Step 3: Clear the App’s Cache

Clearing the app’s cache can often resolve temporary glitches.

Cache files are meant to make your app experience smoother, but sometimes they can get corrupted and cause issues. Clearing the cache will not delete any of your accounts from the app; it just clears temporary files that the app has stored.

Step 4: Reinstall the App

If all else fails, uninstall and reinstall the Microsoft Authenticator app.

Sometimes a fresh start is all you need. By reinstalling the app, you’re removing any potentially corrupted files and starting from scratch. Just remember to back up any accounts you have on the app before doing this, as reinstalling will delete them.

After completing these steps, your Microsoft Authenticator app should be back to working properly. You’ll be able to log in to your accounts securely with two-factor authentication, giving you that extra layer of security we all need in this digital age.

Tips for Fixing a Microsoft Authenticator App Not Working

  • Make sure your device’s internet connection is stable. A poor connection can cause syncing issues with the app.
  • If you’re using the app on multiple devices, ensure that they are all synchronized with the correct time and date.
  • Check the app’s permissions in your device’s settings. Sometimes the app needs specific permissions enabled to function correctly.
  • Try switching between Wi-Fi and mobile data. Occasionally, network-specific issues can prevent the app from working on one but not the other.
  • Restart your device. It’s a simple step, but often a quick reboot can fix a multitude of problems.

Frequently Asked Questions

Can I backup my accounts before reinstalling the app?

Yes, you can and should back up your accounts before reinstalling the app to avoid losing access to your accounts.

To backup your accounts, go to the app settings, where you’ll find an option to backup. Follow the prompts to ensure your accounts are saved before uninstalling the app.

Will clearing the cache delete my accounts from the app?

No, clearing the cache will not delete your accounts from the app.

Clearing the cache only removes temporary files that the app has stored, not the account data. This step is safe and won’t affect your saved information.

What should I do if updating the app doesn’t fix the issue?

If updating the app doesn’t resolve the problem, proceed with the other steps such as clearing the cache or reinstalling the app.

Sometimes updates alone aren’t enough, especially if there’s a corrupted file within the app. Following the additional troubleshooting steps should help.

Is it necessary to set my device’s time to update automatically?

Yes, it’s recommended to set your device’s time to update automatically for the best app performance.

As mentioned earlier, the Microsoft Authenticator app relies on accurate time to function correctly. Automatic updates ensure that your device’s time is always in sync with global servers.

How do I know if the app is not working due to a server issue with Microsoft?

If the app issue is widespread, Microsoft usually posts updates on their official social media channels or support page.

You can check Microsoft’s Twitter account or their Azure status page for any reported issues. If it’s a server problem, there’s not much you can do other than wait for them to fix it.


  1. Check your device’s settings for correct time and date.
  2. Update the app.
  3. Clear the app’s cache.
  4. Reinstall the app.


Having the Microsoft Authenticator app not working can be a significant inconvenience, especially when it’s your gateway to securely accessing various accounts. But don’t let it be the bane of your digital existence! By following the simple steps outlined above, you can troubleshoot and fix most issues with the app. From making sure your device’s time and date are set correctly to reinstalling the app, these fixes are user-friendly and don’t require you to be a tech wizard.

Remember, the Microsoft Authenticator app is your digital security guard. Keeping it in top shape is crucial to maintaining that layer of protection over your personal information. So next time the app throws a tantrum, don’t panic—just come back to these steps, and you’ll have it sorted in no time. And if you ever hit a wall, Microsoft’s support team is always there to help you navigate through any technical difficulties.

Securely logging into your accounts is a breeze when the Microsoft Authenticator app works as it should, so don’t let a minor hiccup stop you from making the most of this essential tool. Keep these tips and steps handy, and you’ll be an authenticator app troubleshooting pro in no time! Now, go on and authenticate away, my friends!

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