How to Resolve Outlook Certificate Error?

When you are using Outlook Exchange profile, some user faces the Outlook Certificate Error. Hence, in this blog you will get the solution of the Outlook Certificate Error. But if the users need help, then they can visit to the site of MS Office via

click here to download

Causes of the Outlook Certificate Error:

The causes of the Outlook Certificate Error are if in case, your connections do not have Certification Authority, if Outlook access is prevented by third-party extensions, if the name of the site is incorrect on the certificate and if the Outlook certificate is not valid.

Solution To Fix Outlook Certificate Error:

  1. Download and Install Trusted Root Certificate:

You should open the Certificate dialogue box, then go to the ‘Install’ button and just click on it. After this, click on the ‘Next’ button. Now under the ‘Store’ checkbox, you have to choose the ‘Place all certificate’ option. Then, just click on the ‘Browse’ option. Here, you should click on the ‘Ok’ button after you click on the ‘Trusted Root Certification Authorities’. Again, you have to click on the ‘Next’ tab. At this point, you should press on ‘Finish’. At last, tap on OK button.

After you apply this method, just reboot your device and then just start the Outlook app.

2: Cross-Check Outlook Certificate and Repair:

To examine the certificate, you should open an internet browser. After this, you should enter the link in the URL box and then click on enter button:


Now, you should go to the bottom-right corner of the browser and then just double-click on the ‘Padlock’ gear. After this, you should click on the ‘Details’ tab. Here, you should give the following information:

‘Valid to’

In this, you should mention the date, month, and year when your Outlook certificate is going to be invalid.


In this, you have to enter the name of the site as the subject.

After mentioning this details, you should click on the ‘Ok’ button.

3: Disable Third-party Browser Extensions:

You should start the Windows system and then go to the ‘Applications’ menu. If you want to disable the Internet Explorer Browser Extensions, then you should open the Internet Explorer app. After this, you should locate the ‘Tools menu’. And then you should select ‘Manage add-ins’. Now, you have to select the ‘Add-ins’ options from the ‘Show’ window and then you will see the list of all the active browser extensions. At this point, you should click on the boxes next to the extensions which you want to disable. Then, you should click on the ‘Disable’. If you want to disable all the Internet Explorer extensions, then you should click on the ‘Disable All’. When the Add-ins are disabled, then you should click on the ‘Close’ option. Now, you should restart the Internet Explorer and then log in to your Outlook account.

The above method will help you to fix Outlook Certificate Error. If in case, the user is still facing the problem then they should call the customer care of MS Office via

check this link: Multiple Benefits of Setting Up Microsoft Office in Operating System: