Equations pasted in PowerPoint are recognized as images instead of OLE objects

Applicability

Issue

When copying and pasting an equation created by MathType 7 in PowerPoint, the pasted equation is sometimes recognised as an image, not an OLE object, making it impossible for MathType 7 to edit it again. When double-clicking a pasted equation, the following message is displayed:
 

Reason

Our investigation reveals the issue was introduced by Microsoft in a PowerPoint update released during the summer of 2025. 

Solution

There are two workarounds for this issue:

1. As the PowerPoint message states, saving the document and restarting PowerPoint allows the application to recognise the pasted equations as OLE objects again.
2. After copying the equation from PowerPoint, open MathType 7 and paste it there. Closing MathType 7 will insert the equation as an OLE object. 

Getting this problem addressed by Microsoft

PLEASE VOTE! This is a Microsoft bug, and only Microsoft can fix it! Many people think that since Wiris is a software company, we must have direct contact with Microsoft. This is incorrect. Please report this issue to Microsoft! It is only by doing so that it will get fixed:

• Sending feedback to Microsoft
• Contacting Technical Support at Microsoft

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