Excel Taskpane Add-in Iframe Unable to load blob URLs #4421
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Area: Excel
Issue related to Excel add-ins
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Unable to load a PDF in an embedded iframe in the taskpane when using a blob url created using URL.createObjectURL. PDFs hosted online work fine.
Your Environment
Expected behavior
The iframe should load the PDF
Current behavior
The iframe document does not load, it is set to about:blank. Opening the URL in a new tab renders the PDF correctly
Steps to reproduce
Context
I am trying to create a Excel to PDF templating system. The user should be able to add content to an excel sheet and generate a PDF based on content on that page.
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