Outlook Error

How To Fix Outlook Error 18?

The error usually occurs due to corrupted PST files, damaged Outlook application, firewall settings issues and antivirus software problems. Fix Outlook Error 18 with appropriate guidelines delivered Outlook Customer Support Number 1800-213-3740. However, if users are working with remote procedure call connection or even secured HTTPS connection then, there is every possibility that certificate authority is not trusted. Also, there are early signs like proxy server security certificate issue. Users will come across error where they won’t be able to connect to proxy server.

Steps to Fix Outlook Error 18 are as follows:

Fix Outlook Error

There are two ways that users can apply and they are as follows:

Step 1: This method is all about resolving issue via manual mode

  • Tap install “certificate” option and click “next” icon
  • Tap the “place all certificate in the following store” check box and click on it
  • Users are advised to tap the “browse” button by Outlook Customer Service
  • Navigate to the “trusted root certificate authorities” icon and tap “OK” icon
  • Tap the “next” icon and click “finish” icon

Step 2: Work with PST repair tool

If in case, the above method did not seems to be working out then, try to install PST repair tool to overcome with this error code easily.

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Related Blog: How to Fix Outlook Error Code 0000000E?

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