I have a list containing external data columns. I have an excel file that has values for external data columns. I want to bulk update via Powershell. When I try to update the value from excel to SharePoint, the value is displayed in the display form, but not in the edit form. When I click the external data value in the display form, it shows an error as "The passed in identifier is not properly encoded."

I am not able to find any relevant material for this.

1 Answer 1


It sounds as though your external list has only been configured to display external data, not update it via the SharePoint UI.

External content types in SharePoint

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