5 Best Ways to Fix Unable to Open Links in Outlook

Pankil Shah

In an ideal world, Outlook would seem like an obvious choice over Gmail for PC users as it offers an app for both Windows and Mac. Sadly, the real-life experience with Outlook's app is slightly different than you'd imagine, as the app carries its fair share of problems. One of those problems is when you’re not able to open links in Outlook.

5 Best Ways to Fix Unable to Open Links in Outlook

Among other reasons, the problem mainly occurs due to incorrect file association or when you’re using Chrome or Firefox as your default browser. We’ll show you what some of the fixes you can try to get over the hyperlink issue on Outlook are. Let’s get started.

1. Reset Browser

In most cases, Outlook's hyperlink issue is browser-related. So, if you can’t seem to figure out what’s stopping you from opening the Outlook links, you can try resetting your browser to see if it helps. Here’s how.

Note: Resetting your browser will delete browser cache and cookies, search engines, and pinned tabs.

Reset Google Chrome

To reset Chrome, type in chrome://settings/reset in the address bar at the top and press Enter. Under ‘Reset and clean up’, click on ‘Restore settings to their original defaults.’

Reset Chrome

On the confirmation pop-up box, click Reset settings to proceed.

Reset Chrome to Factory Default

Reset Firefox

To reset Firefox, click on three horizontal bars (menu icon) in the top right corner and go to Help > Troubleshooting Information.

Firefox Menu

On the following page, click on the Refresh Firefox button.

Refresh Firefox

Reset Microsoft Edge

To reset Edge, type in edge://settings/reset in the address bar and press Enter. Now click on under Reset settings, click on ‘Restore settings to their default values’ followed by Reset to confirm.

Reset Microsoft Edge

Reset Internet Explorer

Step 1: Open the Start menu, type in internet options and press Enter.

Internet Options

Step 2: In the Internet Properties windows, switch to the Advanced tab and hit Reset button under ‘Reset Internet Explorer settings’.

Reset Internet Explorer

Step 3: Mark the check box that reads ‘Delete personal settings’ and click on Reset.

Reset Internet Explorer Settings

2. Try Another Browser

If resetting your browser doesn’t help, then you can try changing the default browser on your PC. Since the issue is mostly reported by users who have Chrome or Firefox as their default browser, switching it to Microsoft Edge or Internet Explorer might help solve the problem.

Read on to learn how to change the default browser on Windows 10.

Step 1: Open the Start menu, type in default apps and press Enter.

Open Default Apps Settings

Step 2: In the Default apps tab, under Web browser, click on your current browser and change it to Microsoft Edge or Internet Explorer.

Change Default App on Windows 10

Now go ahead and try opening links in Outlook to see if the issue is resolved now.

3. Repair Microsoft Office

Like any other app or service, Microsoft Office apps too, are bound to run into problems every once in a while. Thankfully, Micorosft 365 also offers a repair tool that can fix such problems with ease. Here's how to use it.

Step 1: Press Windows key + I to open the Settings on Windows 10. Then go to Apps.

Settings Menu in Windows 10

Step 2: Scroll down to select Microsoft Office 365 and click on Modify.

Modify Microsoft Office 365

Step 3: Select Quick Repair and hit Repair. Follow the on-screen instructions to complete the process.

Repair Microsoft Office 365

Now restart your PC and see if you’re able to open hyperlinks in Outlook. If the Quick Repair doesn't help and you're connected to the internet, repeat the steps above to perform an Online Repair instead.

4. Fix HTML File Associations

Many Windows users have reported success in fixing Outlook's hyperlink issue by altering the existing HTM/HTML values. Here’s how to do it.

Step 1: Open the Start menu, type in cmd and click on Run as administrator to open Command Prompt with elevated access.

Open Command Prompt

Step 2: In the console, copy and paste the commands one by one, also press Enter after each command.

REG ADD HKEY_CURRENT_USER\Software\Classes\.htm /ve /d htmlfile /f
REG ADD HKEY_CURRENT_USER\Software\Classes\.html /ve /d htmlfile /f
REG ADD HKEY_CURRENT_USER\Software\Classes\.shtml /ve /d htmlfile /f
REG ADD HKEY_CURRENT_USER\Software\Classes\.xht /ve /d htmlfile /f
REG ADD HKEY_CURRENT_USER\Software\Classes\.xhtml /ve /d htmlfile /f

Now restart your PC and see if the issue is resolved now.

5. Try System Restore

If Outlook's hyperlink issue has started occurring fairly recently and if all the methods above fail, then you can try performing a system restore on your PC. This will help you roll back the settings on your PC to a certain point before the problem first appeared.

Note that performing system restore is completely safe as it doesn't lead to any loss of data. Although, you will lose any changes made to the system or settings.

Linked Right

In most cases, the above solutions should help fix Outlook's hyperlink issues on Windows 10. In the meantime, you can always use the web version of Outlook on Microsoft Edge to get the job done. Let us know which solution worked out for you in the comments below.


The above article may contain affiliate links which help support Guiding Tech. However, it does not affect our editorial integrity. The content remains unbiased and authentic.

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Pankil Shah

Written By

Pankil Shah

Pankil is a Civil Engineer by profession who started his journey as a writer at EOTO.tech. He recently joined Guiding Tech as a freelance writer to cover how-tos, explainers, buying guides, tips and tricks for Android, iOS, Windows, and Web.