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Posted: December 13, 2019
Last activity: December 13, 2019
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Unable to cast COM object of type
I have created my solution with MS Office 2016 - 32 bit version and now my system upgrade with Office 2016 - 64 bit and due to that I am not able to run the solution.
Below is the error.
Unable to cast COM object of type 'Microsoft.Office.Interop.Outlook.ApplicationClass' {00063001-0000-0000-C000-000000000046} HRESULT: 0x80040155
Error has been attached for Reference, please advice me the solution.
I cannot say for certain, but it may just require a clean of your solution. If this doesn't work, I would suggest that you open a support request as they'll be able to look at your machine to collect logs and investigate. As far as I can tell Office 2016 64-bit is supported.
If you do open an SR, please record the SR number on this post.