OST To MBOX Converter – FreeViewer

Export Multiple Outlook OST To MBOX Format By OST To Thunderbird Converter

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  • Convert One or More OST Files into MBOX Along With Email Attachments
  • Scan and Preview Data From Inaccessible or Orphan Outlook OST Files
  • Supports to Transfer any Size of Outlook Data Files (OST) Into MBOX
  • Does Not Require MS Exchange Server Environment For Conversion
  • Compatible With Outlook 2016 and Including Its All Below Versions

Features Of OST To MBOX Converter

OST To Thunderbird

Export Outlook OST Into MBOX

The software allows to convert each email from Outlook OST file to MBOX within just a few clicks. It is feasible to migrate multiple emails from outbox, inbox, drafts, etc. into MBOX file format. This will also maintain the folder structure while saving Outlook OST to Thunderbird MBOX format.

Scan & Preview

Scan & Preview All Items Of OST

When opening OST files, the software will scan the OST file quickly. It will help the users to rearrange the data from inaccessible Outlook OST emails. Once the scanning is done, the software will create an instant preview of each data within the OST file. It allows viewing all details associated with data items i.e. To, from, subject, date, etc.

Export Selective Data

Save Selective Data Items as MBOX

The users can check or uncheck all data items from OST files that they want to move into MBOX type. By default, Outlook OST to Thunderbird Converter will export all items of OST, but if the users want to migrate the selective item folder, then, they can perform such operation as well. In addition, the tool does not require Exchange environment to convert OST file.

Save Data in New File

Customized Way to Save New File

When using OST to MBOX Converter, the software will ask a user to provide the desired file saving location on their local machine. The users can choose any particular location or if required they can also create a new folder from the software panel itself for saving those files. Once the saving location is provided, the software will start the conversion process.

Meta Properties

Ensures to Keep All Meta Properties

OST to MBOX Converter ensures to keep such meta properties intact after migration from Outlook OST to Thunderbird MBOX file. Also, the integrity of data will be maintained throughout the process. Moreover, the meta properties, email attachments, and other attributes remain same after the conversion procedure.

Working of Outlook OST to MBOX Converter Tool

Outlook OST to Thunderbird Converter
Step 1: Launch OST to MBOX Converter Tool
Desired Folder to Save
Step 2: Select Desired OST Folder
Preview Mailbox Data
Step 3: Preview Offline Outlook OST File
Save OST to Thunderbird MBOX Format
Step 4: Export & Save as MBOX File

Software Specifications

OST to Thunderbird Conversion

Size: 3.3 MB Version: 1.0


Software Trial Limitations

Trial Version Of Outlook OST To Thunderbird MBOX Converter Preview Recovered OST Data.


Installation Uninstallation

System Specifications

  • Hard Disk Space: 5 MB of free hard disk space

Application Pre-Requisites

  • If you are using Window 10/8.1/8/7 or Vista, then please launch the tool as "Run as Administrator".

Supported Editions

  • Microsoft Windows – 2000, 2003, 2008, XP, Vista, or Windows 7/8/8.1/10, 2008/2012 (32-bit & 64-bit)

Common FAQs

I want to access my orphaned or inaccessible OST to Thunderbird MBOX file, Is this tool support both OST files?

Yes, OST to MBOX Converter supports both inaccessible as well as orphaned OST files that are already scanned and the tool recover the data in MBOX format.

Does the installation of Exchange Server necessary to perform the conversion process?

No, our Outlook OST to Thunderbird Converter tool is independent of Microsoft Exchange server environment thus, we can easily export all the emails in absence of an Exchange environment.

Is your software compatible with Microsoft Outlook 2016?

Yes, OST to MBOX Converter software is easily supported by Outlook 2016, and it's all below versions.

Is there any limitation imposed on the product to restrict the size of OST file?

No, there is no file size limitation on the software while converting OST file into MBOX format.

Does this application maintain the data integrity while exporting OST file to MBOX format?

Yes, our product retains the integrity of data after performing the conversion from Outlook OST to MBOX format.

Does the utility convert attachments along with emails to MBOX file format?

Yes, OST to MBOX Converter is designed in such a manner that converts multiple emails along with attachments without any inconvenience.

What Clients Say

OST to MBOX Converter – Trial & Full Version

Benefits Trial version Full version
Add Outlook Offline OST File
Quick Scan Option to Load OST File
Preview OST File with Attributes
Restore all Outlook OST File Items
Support Windows 10 & Below Versions
Export Selective Folder in MBOX
Save Converted File in New Folder
Cost Trial $49
OST to Thunderbird Converter – Buy Now

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