However, you will not be able to edit existing equations that were inserted using Equation Editor 3.0 in that manner.Īlternatively, the third-party app MathType enables you to edit Equation Editor 3.0 equations without security issues. For more information about inserting and editing equations, see Write, insert, or change an equation. You can insert and edit new equations using the editor built into Office version 2007 or later. To fix the issue download and install MT Extra font and restart the Office application. Math Equations created using Microsoft Equation Editor 3.0 may not display due to absence of MT Extra font. For more information about the security issue, see CVE-2017-11882 | Microsoft Office Memory Corruption Vulnerability. Microsoft Equation Editor 3.0 is no longer supported. Microsoft recommends using the built-in equation editing tools instead: Įquation Editor 3.0 is a third-party component built by Design Science ( ) that was included in many versions of Office, but due to security issues with its implementation, it has been removed.
This functionality has been removed by the vendor due to security issues.ĭetails about this changes are referenced here:
Microsoft Equation Editor 3.0 is no longer available in any Office Suites.