Install and Run the SysInfo PST Compress and Compact tool.

Make Sure your PST file is not corrupted. Choose the Single or Multiple PST File Option and Click the Next Button.

Add the PST file that you want to compress and click on the next button.

Now, you can preview all the folders and emails present in the PST file. Select folders to keep in the resultant file.

Choose the Compression Option available in the Tool

• Compress All Attachment in New PST File
• Remove All Attachment from New PST File
• Remove All Attachment in new PST File and Save them in a Separate Folder
• Remove All Attachment in a New PST File and Compress them in a Separate Folder.

Select the ‘Remove Duplicate on the Basis of’ Filter and choose criteria like To, From, Subject, BCC, and Body to eliminate duplicates.

Apply the Date Range Filter if you need to filter emails and you can even Split the Resultant PST file. You can also split the resultant PST file.

Then, click on the Path to Save button, and define the Path where you want to save the compressed PST file

Click on the Start Compression button and the compression process will start.

Finally, the report of the compression will be created and you can download it.