Microsot office Interop

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ERROR:

Unable to cast COM object of type 'Microsoft.Office.Interop.Word.ApplicationClass' to interface type 'Microsoft.Office.Interop.Word._Application'. This operation failed because the QueryInterface call on the COM component for the interface with IID '{00020970-0000-0000-C000-000000000046}' failed due to the following error: Library not registered. (Exception from HRESULT: 0x8002801D (TYPE_E_LIBNOTREGISTERED)).

Posted 1-Feb-13 20:46pm

tushar Vayangankar

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[no name] 2-Feb-13 2:47am

Okay!!!

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Sergey Alexandrovich Kryukov · Answer 1 · 2013-03-01T19:24:00

You may not have Office installed. If you only want to work with some office documents, you can use Open XML SDK:
http://www.microsoft.com/en-us/download/details.aspx?id=30425[^].

This way, you can support new XML-based Office formats (such as .DOCX, .XLSX), ECMA-376 standard:
http://en.wikipedia.org/wiki/Microsoft_Office_XML_formats[^],
http://en.wikipedia.org/wiki/Office_Open_XML[^].

This way, you can work without Office installed. Also, the documents are supported by 3rd-party software. Please see my past answers:
Convert Office-Documents to PDF without interop[^],
Need a rather unique WPF text editor control[^],
Hi how can i display word file in windows application using c#.net[^],
Read a word file without using Interop.word dll...Do not want to install word in IIS..[^].

This is another option: http://npoi.codeplex.com/[^].

—SA

Krunal Rohit · Answer 2 · 2013-02-01T20:49:00

Unable to cast com object of type Microsoft.Office.Interop.Word.ApplicationClass[^]

http://social.msdn.microsoft.com/Forums/en/vsto/thread/ade5e2dc-42ee-4fe1-a1e6-bcb5eef01dfa[^]

http://answers.microsoft.com/en-us/office/forum/office_2010-word/unable-to-cast-com-object-of-type/34efcd57-e819-4a83-9cdd-501ab15b0971[^]

Microsot office Interop

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