Start the Outlook PST Duplicate Remover as administrator on your computer.
The software shows you two different options:
We select the Multiple Files/Folder option and click the Next button.
Click on the Select Files button to add the PST files from the system and click the Next button.
The software displays the folders, subfolders, and files on the added PST files.
Check the folders or files you want to select from the preview panel.
You can also preview the mail and their attachment files and click the Next button.
The software provides the following filter options:
The tool contains Mail, Calendar, Task, and Contact checkboxes, and by default, all are selected. You can go through with that or uncheck them as per your need.
Choose the Remove Attachments or Save Attachments option to exclude or save the attachments files from the selected folders.
Opt for one, as per your requirement: Search Duplicate Items within the folder or Search Duplicate Across the PST files.
Click on the Specify Duplicate Criteria button to choose comparison criteria for Mail, Calendar, Tasks, and Contacts.
In the opening window, choose the task criteria of Mail, Contact, Calendar, and Task according to which you want a comparison.
After that, select the action you want to perform for the identified duplicate items.
If you choose the Make a New Folder option from the drop-down list, then enter the name for the same.
Click on the Save button to continue the process.
Tap the Path To Save button to select the destination directory for the resultant folder.
Click on the Next button to start the removal process of duplicate items.
Wait till the ongoing process is completed.
Finally, you can also download the report of the process or restart the process.