ocw11.exe for office 2010 - 64 bit

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I have developed application in visual studio 2005 and office 2003, which uses Microsoft Office Spreadsheet Component, AxMicrosoft.Office.Interop.Owc11.AxSpreadsheet

I deployed my app on win 7 (32 bit) and office 2010 (32 bit). So to make it work I had to install office 2003 web components add on (owc11.exe) on the win 7 (32 bit) PC. So it worked very well.

But now I deployed my app on win 7 (64 bit) and office 2010 (64 bit). I installed same owc11.exe on this machine but its not working ??

What should be the solution to make it work ? How to make it compatible with office 2010 , 64 bit?

Or any other solution ??

Posted 17-Oct-13 18:30pm

Harshada J.

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Dave Kreskowiak · Answer 1 · 2013-10-18T06:12:00

You can NOT mix 32 and 64-bit code in the same process. When you installed the 32-bit OWC11 components, that's exactly what you tried to do.

You really have no choice but to abandon OWC. There is no 64-bit version and there are no plans to develop the library any further. This was back in 2007(?)...

The only replacement for what you're doing, from MS, that I know of would be Excel Services.

You can read more here[^].

Harshada J. · Answer 2 · 2013-10-21T16:12:00

Solution 2

SQL

solved. I changed the platform from "Any CPU" to "x86" for entire solution. It worked very well.

Method -

Right click on solution -> Properties -> configuration Properties -> configuration manager -> Active Solution Platform -> change Any CPU to new and then select X86

Posted 21-Oct-13 16:12pm

Harshada J.

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Dave Kreskowiak 22-Oct-13 0:37am

That's nice and all but it isn't a viable solution to the problem asyou described it. You specifically said you were using 64-bit Office. If this solution works for you, you are indeed not using 64-bit Office, but 32-bit.

In either case, my recommendation still stands as OWC is a technology that was killed off 6 years ago. Deploying a new application based on that dependency is wreckless on your part and locks your customers into a path that forces them to abandon your application if they deploy future versions of Office.