QUICKBOOKS ONLINE

How to Fix QuickBooks Browser Not Supported Issue: Causes, Solutions, and Q&A

Bob Martin | 6 February 2025

QuickBooks is a widely used accounting software that offers both desktop and online versions. While QuickBooks Online (QBO) is designed to work seamlessly with modern web browsers, users may occasionally encounter the "Browser Not Supported" error. This issue can prevent you from accessing QuickBooks Online and disrupt your workflow. In this article, we’ll explore the causes of this problem, provide step-by-step solutions, and answer frequently asked questions.

Why Does the "Browser Not Supported" Error Occur?

Outdated Browser Version
QuickBooks Online supports specific versions of popular browsers. If your browser is outdated, it may not meet the system requirements, triggering the error.
Unsupported Browser
QuickBooks Online does not support all browsers. For example, Internet Explorer is no longer supported, and using it may result in the "Browser Not Supported" error.
Browser Cache or Cookies
Corrupted cache or cookies in your browser can interfere with QuickBooks Online, causing compatibility issues.
Browser Extensions or Add-ons
Certain browser extensions or add-ons may conflict with QuickBooks Online, leading to the error.
JavaScript or Cookies Disabled
QuickBooks Online requires JavaScript and cookies to function properly. If these are disabled in your browser, the error may occur.
Network or Firewall Restrictions
Network settings or firewalls may block access to QuickBooks Online, causing the browser to appear unsupported.

How to Fix the "Browser Not Supported" Error

Solution 1: Use a Supported Browser

QuickBooks Online supports the following browsers:

Google Chrome (latest version)
Mozilla Firefox (latest version)
Microsoft Edge (latest version)
Safari (latest version, for Mac users)

Ensure you are using one of these browsers and that it is updated to the latest version.

Solution 2: Update Your Browser

If your browser is outdated, update it to the latest version:

Open your browser.
Go to the browser’s settings or help menu.
Look for the "Update" or "About" option.
Follow the prompts to install the latest version.

Solution 3: Clear Browser Cache and Cookies

Corrupted cache or cookies can cause compatibility issues:

Open your browser’s settings.
Navigate to the Privacy and Security section.
Select Clear Browsing Data.
Choose Cache and Cookies, then click Clear Data.
Restart your browser and try accessing QuickBooks Online again.

Solution 4: Disable Browser Extensions

Some extensions may conflict with QuickBooks Online:

Open your browser’s settings.
Go to the Extensions or Add-ons section.
Disable all extensions temporarily.
Restart your browser and check if the error is resolved.
Re-enable extensions one by one to identify the problematic one.

Solution 5: Enable JavaScript and Cookies

Ensure JavaScript and cookies are enabled in your browser:

Open your browser’s settings.
Navigate to the Privacy and Security section.
Enable JavaScript and Cookies.
Restart your browser and try accessing QuickBooks Online.

Solution 6: Check Network and Firewall Settings

Network or firewall restrictions may block access to QuickBooks Online:

Contact your network administrator to ensure QuickBooks Online is not blocked.
Add QuickBooks Online to your firewall’s list of allowed websites.

Solution 7: Use QuickBooks Desktop or Mobile App

If the issue persists, consider using QuickBooks Desktop or the QuickBooks Mobile App as an alternative:

Download QuickBooks Desktop from Intuit’s website.
Install the QuickBooks Mobile App from the App Store (iOS) or Google Play Store (Android).

Q&A: Common Questions About the "Browser Not Supported" Error

Q1: Why am I seeing the "Browser Not Supported" error in QuickBooks Online?
A: This error occurs when your browser is outdated, unsupported, or has compatibility issues with QuickBooks Online.

Q2: Which browsers are supported by QuickBooks Online?
A: QuickBooks Online supports the latest versions of Google Chrome, Mozilla Firefox, Microsoft Edge, and Safari.

Q3: How do I update my browser?
A: Open your browser’s settings, go to the "Update" or "About" section, and follow the prompts to install the latest version.

Q4: Can browser extensions cause the "Browser Not Supported" error?
A: Yes, certain extensions may conflict with QuickBooks Online. Disable all extensions temporarily to see if the error is resolved.

Q5: How do I clear my browser’s cache and cookies?
A: Open your browser’s settings, navigate to the "Privacy and Security" section, and select "Clear Browsing Data." Choose "Cache" and "Cookies," then click "Clear Data."

Q6: What should I do if JavaScript or cookies are disabled?
A: Enable JavaScript and cookies in your browser’s settings under the "Privacy and Security" section.

Q7: Can network or firewall settings cause this error?
A: Yes, network or firewall restrictions may block access to QuickBooks Online. Contact your network administrator to resolve this.

Q8: What if I’m using Internet Explorer?
A: Internet Explorer is no longer supported by QuickBooks Online. Switch to a supported browser like Google Chrome, Mozilla Firefox, Microsoft Edge, or Safari.

Q9: Can I use QuickBooks Desktop or the Mobile App instead?
A: Yes, if the issue persists, consider using QuickBooks Desktop or the QuickBooks Mobile App as an alternative.

Q10: Should I contact QuickBooks support for help?
A: If you’ve tried all the solutions and the error persists, contact QuickBooks support for further assistance.

Preventing the "Browser Not Supported" Error

Use Supported Browsers
Always use one of the browsers supported by QuickBooks Online and keep it updated.
Regularly Clear Cache and Cookies
Clear your browser’s cache and cookies regularly to prevent compatibility issues.
Monitor Browser Extensions
Disable or remove extensions that may conflict with QuickBooks Online.
Enable JavaScript and Cookies
Ensure JavaScript and cookies are always enabled in your browser.
Check Network Settings
Regularly review your network and firewall settings to ensure QuickBooks Online is not blocked.

Conclusion

The "Browser Not Supported" error in QuickBooks Online can be frustrating, but it’s usually easy to fix. By understanding the causes of the issue and following the solutions outlined above, you can quickly resolve the problem and regain access to your financial data. If the issue persists, don’t hesitate to contact QuickBooks support or switch to QuickBooks Desktop or the Mobile App. Regular maintenance and updates can help prevent similar issues in the future, ensuring smooth and uninterrupted use of QuickBooks Online.