Debugging error - Unable to cast COM object of type 'Microsoft.Office.Interop.Outlook.ApplicationClass' to interface type 'Microsoft.Office.Interop.Outlook._Application'

[beginner_RPA]

Can someone advise what is this issue? Thanks

[rlgandu (Rajyalakshmi Gandu)]

@beginner_RPA

Unable To Cast COM Object Of Type 'Microsoft.Office.Interop.Outlook.ApplicationClass' To Interface Type 'Microsoft.Office.Interop.Outlook._Application'. This Operation Failed Because The QueryInterface Call On The COM Component For The Interface With IID

Send Outlook Mail Message activity is not working and get the following error " Unable to cast COM object of type 'Microsoft.Office.Interop.Outlook.ApplicationClass' to interface type 'Microsoft.Office.Interop.Outlook._Application'. This operation failed because the QueryInterface call on the COM component for the interface with IID '{00063001-0000-0000-C000-000000000046}' failed due to the following error: Library not registered." Root Cause: The issue is caused by a wrong registry file, this …

Error when trying to send Outlook email

You Could try updating your Outlook app as sometimes, certain activities throws exceptions while working with older versions. One another reason for this exception could be that, the account you are accessing for your outlook activity is not registered with your Microsoft office account that’s why you are seeing “default email account” in drop down and not able to select anything else. Happy Automation