SysTools OST Viewer Pro is designed to help users access and manage data from orphaned or inaccessible Outlook OST files. It provides a way to preview attachments, emails, contacts, calendars, and other items within the OST file without needing an Exchange environment. The software offers both Quick and Advanced scan modes to recover data from OST files with varying levels of corruption. It supports password-protected OST files and allows users to view email properties such as To, Cc, From, and Bcc. The tool also includes an advanced search feature for locating specific emails, attachments, and calendars within the OST file. A key feature is the ability to export OST files to PDF format, with options for different naming conventions, Bates numbering, and page layout settings. It supports OST files from Microsoft Outlook 2021 and earlier versions, and is compatible with Windows 11 and older Windows Server operating systems.

Features & Benefits

• View Orphan OST Files
  • Enables users to open and view data from inaccessible OST files without an Exchange environment.
• Preview Attachments
  • Allows previewing attachments from Outlook OST files, including name, subject, and size details.
• Quick & Advanced Scan Modes
  • Offers two scan modes to recover data from OST files with different levels of corruption.
• Password Protected OST Support
  • Capable of reading and viewing password-protected OST data files.
• Preview Various Items
  • Provides a preview of Inbox, Outbox, Contacts, Calendars, Sent Items, and other folders.
• Email Properties View
  • Allows viewing OST files along with email properties like To, Cc, From, and Bcc.
• Advanced Search
  • Offers advanced search capabilities for emails, attachments, and calendars to find specific data.
• OST to PDF Export
  • Supports exporting OST files to PDF with different naming conventions, Bates number formats, and page layout options.
• No Exchange Requirement
  • Does not require an Exchange environment to open and view OST files.
• Latest Outlook Support
  • Supports OST files from the latest Microsoft Outlook 2021 and all prior versions.
• OS Compatibility
  • Compatible with Windows 11 (64-bit), 10, 8, 7, and Windows Server 2019, 2016, 2012 R2, 2008.
• Advance Search to View OST File
  • Enables users to easily search for specific OST emails, calendars, attachments within large .ost files.
  • Search Operators: When you try to search for OST files then, you can apply OR, None, AND operators according to your choice.
  • Search Emails using different criteria: In case, you want to search emails then, you have to use the Add Criteria option. It includes multiple criteria including Subject, To, Body, CC, and much more.
  • Search Calendar using different criteria: If the user wants to search a specific calendar item, then the user can use the add criteria option. It includes subject, body, start, end, Importance, Location, etc criteria options.
  • Search Attachments using different criteria: OST Viewer Pro software also provides the option to search for specific attachments files from the OST file.
• Options to Export OST File to PDF Format
  • Allows users to convert OST files to PDF documents, which is useful for presenting evidence in courtrooms and for forensic investigators.
  • Naming Convention: One can easily save the exported PDF file by using multiple naming conventions based on the date, year, subject, from, etc.
  • Category Based Filter Options: With the help of this feature the user can choose the required emails, contacts, calendar, etc. to export OST into PDF file format.
  • Date based Filter: This tool provides email filtering option so that you can migrate emails based on a certain date range.
  • Include Internet Message Header: The user can check this option to include internet message headers.
• Preview OST Files with Attachments
  • Users can easily view emails of an OST file along with the attachments.
• Show Emails with Various Details
  • The software is capable enough to view and analyze emails in different modes such as normal, header, attachments, MIME, HTML, properties, and RTF.
• Saves OST Files in PDF File Format
  • The application gives the option to save emails of OST file into PDF file format.
• Selective Export of Files or Folders
  • Users have the option to check or uncheck the files /folder within the OST file which they want to export to PDF file format.
• Date Based Filtering Of Emails
  • The software provides the option of filtering the emails based on a specific date range and then export them.
• Naming Patterns to Save PDF File
  • Users can save the converted PDF file by using different naming conventions on the basis of year, date, subject, from, to, etc.
• Multiple Options to Save Attachments
  • With OST Viewer Pro tool, user can save emails attachment files with different options.