PST Walker
Open, view, and convert PST and OST files without Microsoft Outlook. Easily recover deleted items, search content and attachments, and export to various file formats.
- Recover encrypted, password protected, large-sized files, and deleted emails and folders
- Open corrupted PST and OST connected or orphaned Outlook data files
- Analyze email headers and all message properties using HEX analysis
- Boolean search, Outlook-style filtering, Built-in search filters
- Reply to and Forward emails using your default email client
PST Walker Portable Version (.zip) - No installation required
When to use PST File Viewer
Portable viewer for .pst and .ost files
PST Walker offers more than just a viewer for .pst and .ost files. With this software, you can extract emails and attachments in bulk and convert your email, calendar, contacts, and tasks to various file formats, including .pst, .mbox (Thunderbird), .msg, and .eml.
- Support for various encoding settings to correctly display regional characters (such as ü, ä, ø, etc.) and Asian language characters in emails
- Find and recover permanently deleted emails, and items that are no longer associated with any folder in Outlook (orphaned items)
- Recover Outlook Rules and Alerts and export the rules to .rwz files
- Convert OST to PST, PST to MBOX, OST to MBOX, PST to MSG, OST to MSG, PST to EML, OST to EML
- Powershell command line options to open, search and export, or convert to PST and other file formats
Search multiple PST and OST files
PST Walker offers advanced search functionality that enables you to create highly specific search queries. Whether you're searching for a single email or trying to identify patterns in your email data, PST Walker gives you the tools you need to quickly and accurately analyze your Outlook Data Files.
- Use various boolean operators and keywords to narrow your search results
- Scans both email messages and attached emails
- Supports Active Directory/Exchange x.500 email addresses
- Highly efficient search algorithms, you spend less time waiting for results
Built-in search filters
The built-in search filters in PST Walker are designed to be intuitive and user-friendly, so you don't need to be an expert in email search to use them effectively. You can easily access the filtering options by right-clicking on the column header and selecting "Filtering". This brings up a menu of filter options that allow you to quickly refine your search results based on criteria such as sender, subject, date range, and more. Based on your preference, you can use Advanced Search and built-in search filters at the same time.
Learn More
HEX Analysis of PST Files
Outlook data files (.pst and .ost) contain numerous metadata fields (MAPI properties) that can be useful for digital forensic analysis of emails.
PST file specifies five storage elements, each representing one major component of the Message object and a number of streams are contained within those storages, each stream representing a property (or a set of properties) of that component.
The storages are: Recipient object storage, Attachment object storage, Embedded Message object storage, Custom attachment storage, Named property mapping storage.
Learn MoreHow it works?
Step 1: Launch PST Walker and select the folder in the All Folders pane.
See All Screenshots
Pricing
- Open PST file without Outlook
- Open OST file without Exchange
- View Emails and Attachments
- Filter and Sort Emails
- Multiple Preview Modes
- Support Outlook 2021, 2019, 2016, 2013, 2010, etc.
- Includes all features of Home
- Advanced Search Options
- Command Line Options
- Recover permanently deleted emails
- Convert and extract emails in bulk
- Forensic Analysis of PST and OST files
- Includes all features of Business
- Improved scanning and saving speed
- Concurrent-user simultaneously accessing the Software on Citrix/TS computer
Technical Specifications
About Product
System Requirements
| Processor: | Intel-compatible (x86, x64) |
| Memory: | 1 GB minimum (4 GB recommended) |
| Hard Disk: | 50 MB for installation files |
| Operating System: | Microsoft® Windows 11 / 10 / 8.1 / 8 / 7 |
| Prerequisites: | Microsoft .NET Framework 4.6.2 or later |
Documents
Product Related Articles
How to use PST Walker
This guide explains how to open, find and extract emails from .pst files and .ost files with portable PST Viewer.
Recover disappeared Rules and Alerts in Outlook
Find hidden Outlook Rules and Alerts. Create a backup copy of your rules by exporting rules to a .rwz file. Import Rules and Alerts. Supports corrupt, orphan, protected .pst and .ost files.
Recover deleted folder and emails in Outlook
Accidentally and permanently deleted folder in Outlook? Recover deleted folder (and all its emails, messages, contacts) in Outlook with PST Walker recovery tool. Supports both PST file recovery and OST file recovery.
Search multiple .pst and .ost files without Outlook
Boolean search, Excel-like filtering, instant search. Supports any .pst and .ost files: corrupted, orpah, archive, password protected and encrypted files. Export search results to numerous formats.
Convert .pst and .ost files to Thunderbird (MBOX)
The normal Thunderbird import process requires that you have a compatible version of Outlook installed on your computer. If you do not have Outlook installed, there are alternatives as noted below.
Email Investigations and Digital Forensics
Email messages contain numerous MAPI properties that can be useful for digital forensic analysis of emails. This article explore how to gather and analyze data related to email investigation and forensic analysis.
Boolean Search Syntax
This guide explains boolean search operators, functions and wildcards (AND, OR, NOT, ALL, ATLEASTONE, NEITHER, NOTALL, ?, *)
Sort and group email files and messages
Sort, arrange and group your email files and messages in a way that's helpful to you. For example, group by the name of the sender or the recipient and sort by the date of the email message, its size, and other options.