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                      Word and PowerPoint macros (digital signature) certificate has expired

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                      Caution

                      The latest version -v 7.4.8- of MathType 7 for Windows fixes this issue. You can download the latest version here.

                       

                      Applicability

                      The information on this page applies to:
                      MathType for Windows
                      Microsoft Office 2007 and later (Windows)

                       

                       

                      Issue

                      When using MathType with Microsoft Word, an alert message appears due to the expiration of the digital signature.

                      The alert message may be different depending on the version of Word:

                      • Warning: the digital signature has expired.
                      • SECURITY WARNING Some active content has been disabled, followed by another warning that macros have been disabled.

                      As a result, the MathType tab in Word is unusable until the macros are enabled.

                      Reason

                      A certificate with a digital signature is a measure of security because it verifies the macros as having come from a company that is who it claims to be. Our macro certificates expired on February 5th of 2021, which makes some features of MathType unusable in Word until they're enabled.

                      Solution

                      The macro file has not suffered any change and does not contain any security hazards. Therefore, as a workaround, allowing Word to work MathType macro while our Development team generates the new macro file adequately signed. In order to enable Word use MathType macros, press or click the "Enable" button or setting that can be seen in the images above.

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                      Word and PowerPoint macros (digital signature) certificate has expired

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