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Adding OLE object (.zip file) in word application using OpenXML

Nikhil Tambi 0 Reputation points
2025-05-25T12:49:45.4266667+00:00

I have a requirement where I need to attach a zip file as OLE object in word file using OpenXML. I do not want to use Interop word since I don't want to install word in server and no COM support is there is server. Can somebody help me to write a code in C# .net framework 4.8 which will insert a zip file in specific cell or table?

Developer technologies | C#
Developer technologies | C#
An object-oriented and type-safe programming language that has its roots in the C family of languages and includes support for component-oriented programming.
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  1. Surya Amrutha Vaishnavi Lanka (INFOSYS LIMITED) 1,460 Reputation points Microsoft External Staff
    2025-12-18T07:25:29.97+00:00

    Thanks for sharing the details!

    Attaching a ZIP file as an OLE object in a Word document is not supported using OpenXML SDK alone. This is a platform limitation, not a coding issue.

    This happens because OLE object embedding for files like .zip requires Microsoft Word Interop. OpenXML SDK cannot create OLE Package objects. Microsoft Word must be installed to embed ZIP files as OLE objects. Server environments usually do not support COM or Word Interop.

    • Store the ZIP file on disk or server location.
    • Insert the ZIP file as a clickable hyperlink in the Word document.
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