CODEWITHSUNDEEP
c#excelms-word
alexmac
alexmac

Reputation: 19607

How to determine type of the document (Word or Excel) by its content

I'm using Open XML Format SDK 2.0 to work with Word and Excel documents. I need a possibility to determine type of the document (Word or Excel) by its content, without creating the instances WordprocessingDocument or SpreadsheetDocument. How can I do it?

Upvotes: 0

Views: 237

Answers (1)

Chief Wiggum
Chief Wiggum

Reputation: 2934

Unzip the docx, xlsx or whatever Microsoft Office document you want to check and then look at the tag

<Application>Microsoft Office Word</Application>

in the app.xml file you can find in the docProps folder. In case it's a .net 4.5 application you can use the new ZipArchive class to extract the xml file in-memory and then lookup the Application Tag.

You can find more details about the internal structure of a Office document in this MSDN article.

Upvotes: 1

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