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When you run a task multiple times, you may see Octoparse showing duplicates on the Dashboard:
This is because Octoparse will store the data scraped from all the runs together and recognize duplicates. Duplicates will be deleted automatically from the Cloud.
Duplicates are data lines that are the same in all columns. If you want to keep all the data lines from each run, you can try to add the Current date & time as a field in the task.
Go to the Data Preview, click on Add Custom Field button, and choose Current date & time
The field will be added like this:
The field indicates the date and time this data row is scrapped. As every row is scraped at a different time, every row is different now. There won't be any duplicates.