On exported .csv file retain this field columns LINKEDENTITYID, CONTENTDOCUMENTID, SHARETYPE and Visibility. Save it as new CSV file. Update Field Columns value for SHARETYPE (should be 'V') and Visibility (should be 'AllUsers').
(Use the 'ID' column value and mapped it for deletion.)
Note: We have to delete this to prevent duplicate and getting this error: "Document with ID: 069000000000000 is already linked with the entity with ID: 500000000000000: Linked Entity ID". Proceed on inserting new ContentDocumentlink.CSV file.
To insert a ContentDocumentlink CSV file
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