Authentic Step-by-Step User Manual
Working Guide Of The Software
how to read & open OST mailbox without using MS Outlook
How to View OST Mailbox? (4 Steps)
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Step 1
Download, Install & Launch Tool
Download and install the MailsDaddy Free OST Viewer software, then activate the application using a valid license key.
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Step 2
Add PST Files or Folders
Start the software and click the " Open File " button to add the OST file for viewing.
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Step 3
Add & Browse Source Files
Browse and select the OST file, then click the " Open " button to load the OST file into the viewer.
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Step 4
Preview Mailbox Folders & Items
MailsDaddy Free OST Viewer software displays a complete mailbox preview while preserving the original folder hierarchy and email structure.
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Ready to Start with Free OST Viewer?
Download the free trial version to preview all mailbox items or buy the full license for unlimited conversion.