Unable to email from Reckon Account due to an error "Unable to cast COM object of type

Julie 20 Reputation points

Screenshot 2024-06-11 095550

Microsoft 365
Microsoft 365
Formerly Office 365, is a line of subscription services offered by Microsoft which adds to and includes the Microsoft Office product line.
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A family of Microsoft email and calendar products.
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Accepted answer
  1. ChristyZhang-MSFT 21,591 Reputation points Microsoft Vendor

    Hi @Julie ,

    Glad to hear this issue has been resolved!

    Thanks for the sharing.

    However, due to a recent update in forum policy, the question author now is not able to accept their own answers.

    So I have written a brief summary of the solution this issue. Please feel free to accept it as the answer, which would benefit others who also has similar issues in forum.


    Unable to email from Reckon Account due to an error "Unable to cast COM object of type


    OP has reset operating system and although this is annoying to do, it has solved the issue. OP believe the latest update have been the cause as it also removed an add-in OP had installed.

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  1. Miguel Gonçalves | AVANADE 811 Reputation points

    Hi Julie,
    You can try repair office 365 outlook app.
    If not solved, in limit reinstall.

    Also can check this topic with similar issue https://learn.microsoft.com/en-us/answers/questions/258475/unable-to-cast-com-object-of-type-microsoft-office