PST to MBOX Converter
Save or archive emails from PST as MBOX files to disk
Save emails from PST folders to MBOX files, in bulk, in a click. Replicate folder hierarchy and structure in the destination disk while saving the emails from various PST folders to MBOX files
Available for a fully functional 30 days trial.
Product Summary
- Archive one or several emails or entire folders in PST to MBOX files in a click.
- Read PST created by any version of Microsoft Outlook, including newer Unicode and older ANSI formatted PST files.
- Use keywords and filters to search and find specific emails of importance before converting to MBOX files.
- Two modes of conversion –multiple emails to MBOX, whole PST folder into MBOXs.
- Retains embedded images, attachments, metadata, and email attributes while exporting PST to MBOX.
- Backup email messages for regulatory or legal compliance.
- Preserves attachments, headers, formatting, inline images and hyperlinks in the replicated MBOX files.
- Automatically enforce consistent naming convention to replicated MBOX files.
- Retain the same original folders structure of PST in disk for easy access and filing.
- All conversions and processing performed locally. Ideal for closed systems.
- Special MSI installer available for enterprise-wide deployment*
- Support Windows 11, 10, 8, 7 and Windows Servers
Convert PST emails to MBOX
Use PST to MBOX Converter to perform seamless conversion of emails from your PST folders to MBOX files, without using any email client software.
Batch PST to MBOX Conversion
Use PST to MBOX Converter to open multiple PST files at once and perform bulk conversion of PST folders to MBOX files in a click. Streamline tasks and save time and effort.
Maintain Same Folder Structure
Replicate and preserve the hierarchical structure of email folders of the PST files into your disk drive during email to MBOX conversion, without losing any data.
Retain Email Metadata in MBOX
PST to MBOX Converter preserve formatting, images and email metadata and properties such as To, Cc, Bcc, Received date, sent date, headers, etc.in MBOX.
Preview Email before Export
With PST to MBOX Converter, preview emails in the PST files with all associated metadata attributes, formatting and inline images without using a dedicated email client software.
Export Selective Emails to MBOX
With PST to MBOX Converter, choose only those emails or folders that you want to save as MBOX. Optionally, use keyword search or apply filters with start and end date.
How It Works?
AssistMyTeam PST to MBOX Converter can operate in two modes – Simple (default) and Advanced, which has an interactive user interface with many options to export emails to MBOX files.
In Simple Mode

Advanced Mode

There are two ways to perform MBOX export with AssistMyTeam PST to MBOX Converter:
- Whole PST folders to MBOX files
- Chosen PST Folder to MBOX file
The first step is to add PST files to the tree view on the left side by clicking ‘Add PST files‘. Notice that emails that contain attachments are differentiated by the presence of the attachment in the icon. The ‘Attachments‘ column also shows the number of attachments each email has.
1. Convert whole PST folders to MBOX files
In this mode, you can perform bulk conversion of the whole contents of each PST folder to MBOX file format. Simply, click the ‘Save as MBOX‘ button option just above the PST tree-view control.

From the ‘Browse for Folder’ dialog box, you can choose the destination folder where the MBOX files will be saved.

Apply keywords search and filters
You can choose to perform a keyword search and apply filters and only perform the bulk conversions of those emails in the PST that fulfill the search parameters to MBOX. To do that, click the ‘Filter‘ button available on top of the PST tree-view control box.

A dialog box for the search pop ups enabling you to input keywords search in the subject or body or both. You can also filter the emails by matching the sender in the From field and/or the recipient in the To field. Additionally, you can specify a time duration to restrict the emails that fall between the start and end date.

After applying the filters, the filter icon will change with a green tick mark and the background color of the PST tree-view control box will also be in green. You will also notice that each folder entry in the tree-view control shows the number of emails that fulfilled the search filter out of the total emails, enclosed within brackets.

2. Convert multiple emails of a PST folder to a MBOX file
At times, what you may need is only to convert emails of a particular folder within the PST data file. In such needs, you can perform the MBOX conversion by clicking the particular folder from the PST tree-view control box on the left side. This will show you all the emails in the folder view control on the right side. You can then proceed to click ‘Save as MBOX‘ button located on the extreme right corner of the folder view control.

From the ‘Save as‘ dialog box, you can choose the destination folder where the MBOX file will be saved.

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