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Carolina W 2Carolina W 2 

DataLoader is not loading the column correctly

DataLoader is not loading the column correctly.
I'm trying to update Task...But I get the error "Id not specified in an update call"
What do I have to do in this case?
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VinayVinay (Salesforce Developers) 
Hi Carolina,

When performing an update in the Data Loader, you encounter this message "Id not specified in an update call".  This error means that your csv file does not contain the IDs for the records you are attempting to update.  If you are able to verify that your csv file does contain IDs, please verify that you are mapping the ID column from your csv file to the ID field during the map fields step. 

Check below reference for more details.

https://help.salesforce.com/articleView?id=000332026&type=1&mode=1

Hope above information was helpful.

Please mark as Best Answer so that it can help others in the future.

Thanks,