Firstly, Download and run the SysTools Mac Duplicate Remover Tool. Its initial interface is as follows.

Now, Click "Add File and Folder" option to Add CSV files into the software.

Also, this software offers the "Remove and Remove All" feature so that you can remove any single file or you can remove all files that you have added.

After clicking on the "Add File" button, you can choose your CSV files from your system. Tap Open to upload selected files.

After uploading, you can review all your added files, then press the change button to browse "Destination Path" for saving cleaned CSV data files. Then, click Next button.

Now, choose the Action option, that is, "Delete Permanently and Export Duplicates in Different File" for dedupe items.

Lastly, Hit on Remove Duplicates option to start the duplicate cleaning process.

Note: If you are using a Free version, It is only capable of removing duplicate 10 records from each CSV files.

All Duplicates are removed as per your applied properties. Press the OK Button to view files more precisely.

Now, users can see complete status of total duplicate counts, along with success counts. If you want to preview in a systematic manner, then click View Report button.

Double-Click on Duplicate Removal Export Report file, which is a saved report of duplicate counts and success counts.

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