Software Guide: MacSonik OST Viewer Pro Tool

Download, install, and launch the MacSonik OST File Viewer Pro on your Mac system.

Next, choose either the Select File / Multiple Files or /Select Folder option to add your data, then click Next to proceed.

Click on the Select Files or Select Folder option to import the OST files you want to preview, then click Open to continue.

After selecting the desired OST file, simply click Next to move ahead to the following step.

The tool will display your mailbox data in a well-organized tree structure, making it easy to browse and access different items.

Select the mailbox item you want to view, check its contents along with attachments, and then click Next to continue.

Choose PDF or any other desired file format from the Save/Backup/Migrate As options available.

Use the built-in filters to fine-tune your conversion:

• Remove Duplicate Emails – Skips repeated emails based on fields like To, From, Subject, Bcc, and Body.
• Save in Source & Destination Folder– Keeps emails stored in their original folder locations during export.
• Maintain Folder Hierarchy – Preserves the complete mailbox structure as it appears in the OST file.
• Save Attachments Separately – Stores attachments in a separate folder for easy access.
• Exclude Attachments – Converts only email content without attachments to reduce file size.
• Convert Attachments to PDF – Saves attachments in PDF format along with emails.
• Date Range Filter – Export emails within a selected start and end date.
• Naming Convention – Apply a preferred file naming pattern, such as Subject or Date.
• Custom Folder Name – Set a specific name for the output folder to keep files organized.

Choose the location where you want to save the output files by selecting the destination path. Once everything is set, click the Convert button to begin the process.

After the conversion is complete click Ok, the software displays a detailed report showing file name, status, processing time, and message count for each item.

You can click Download Report to save the summary or choose Convert Again to process additional files.