OST Recovery box



OST Recovery Tool – FreeViewer

All-in-one software to perform OST file recovery and save into multiple file formats. Windows OS user can download free demo version of this OST recovery and launch to test the software working.

(Average Rating 4.4 Based on 205 Reviews)
  • OST Recovery Allows to Save Recovered Data in EML, MSG, PST, HTML, PDF, O365
  • Preview All Recovered Items Like: Emails with Attachments, Address Books, Tasks
  • Recover and Extract the Deleted Messages from OST Mails, Address Book, Etc.
  • Recover Encrypted (S/MIME & OPENPGP) OST Emails & Save into Required Format
  • Retains All Meta-Properties, Read / Unread Status, Folder Order, & Message Dates
  • No File Size Restriction to Perform OST File Recovery and Save Recovered Data
  • Installer of This OST File Recovery Tool is Available in Multiple Languages
  • Launch This Software as Standard or Guest Mode without Admin Privilege
  • Download OST Recovery Software and Launch It on Windows 11 or Below Versions

FreeViewer Awards & Reviews

Best Rated and Popular Software for OST Email Recovery

FreeViewer OST Recovery Software

3-Step Process to Repair and Recover OST File

Features of OST Recovery Tool

Best Software to Get Back Lost Emails from OST File

All Data Items

Recover OST File Data Items

FreeViewer OST recovery tool can easily recover all the items which are permanently deleted. It helps in the restoration process of mailing items from Offline Storage files i.e., address books, calendars, deleted mails, to-do lists, journals etc. After complete recovery process, it stores the resultant data to PST files and then the users can access files in Microsoft Outlook easily.

saving options

Export Multiple Files Option

After recovering OST file emails, a user can easily extract save data into many file formats like: MSG, PST, HTML, & EML with an option of naming convention to save emails properly. After conversion process, all the data are accessible to Outlook, Outlook Express, WLM and other email clients.

Display Data with Count

Display Data with Item Count

FreeViewer OST recovery software can remake an instant view of OST files ietms such as: Tasks, Emails, Notes, Contacts, Journals, Calendars, etc. The software mails the data in normal view with associated attachments. Additionally, the utility also keeps all the Meta properties like To, Bcc, Cc, receive date, sent date, and much more than it is.

recover Selective Data Items

Recover Selective Items from OST File

The utility even allows the users to select only the desired emails and items that are mandatory. Users can store desired mails/items after completing OST recovery process. After this choose on export file and hit Export button. Using this option, all the desired files will be extracted.

free software to use

Option to Scan OST Files Easily

Exchange OST recovery software has the credibility to restore OST files using the scanning option provided by the tool. It is even possible to recover the lost mails from highly corrupted OST files. Henceforth, the tool comes up with two scanning options i.e., Quick Scan and Advanced Scan.

Folder Structure Maintains

Maintains OST File Folder Structure

The software maintains folder order and provides output in same heirarchy. This feature can be checked by using free OST recovery demo version. Simply launch this tool and perform recovery without any limitation.

OST Recovery Software - Specifications

Use Free Demo Version and Check Required System Configuration

Software Download

Size: 86.2 MB

Version: 9.0

Trial Limitations

OST recovery software for free allows users to preview recovered data in software panel and save only 25 Items/Folder.

System Specifications

Hard Disk Space
100 MB of free hard disk space required

4 GB of RAM is recommended

Intel® Core™ 2 Duo CPU E4600 @ 2.40GHz 2.39GHz

Application Pre-Requisites

To Export OST Contacts, Calendars, Tasks, Notes, Journals into PST format, Check 'Use Outlook (Outlook must be installed)' option on Export Option Window.
The Office 365 administrator account must be impersonated when migrating to the admin account.
Microsoft .NET framework 4.5
To decrypt SMIME encrypted Emails, Certificates and respective passwords are required
To decrypt OPENPGP encrypted Emails, Private Keys and respective passwords are required

Supported Versions

Microsoft Windows
Windows 7 / 8 / 8.1 / 10(32 & 64 bit), 11(64 bit) & Windows Server 2008 / 2012 / 2019 / 2022

Microsoft Outlook
Outlook 2000, 2003, 2007, 2010(32/64 bit), 2013 (32/64 bit), 2016 (32/64-bit), 2019 (32/64-bit), 2021 (32/64-bit)


best softwarea5a6a7a8


Electronic Delivery

b4free ost recoveryb6

OST Recovery Software Order Now

Understand Advantages of Using Full Version Instead of Free Demo

Features Free Version Full Version
Add Outlook OST Files into Software
Quick & Advance Recovery Option for OST File
Preview Recovered Emails with Attributes
Recover Deleted Emails, Contacts, Calendars, Etc.
Supports All Windows OS Versions
Recover and Split Large Size Data File
Save Recovered Emails in Multiple Formats
Cost Trial $49
Frequently Asked Questions

How to Recover Corrupted Outlook OST File? Get Answer

How can I Recover Mails Using This Tool?
It's quite easy to recover lost mails using FreeViewer OST recovery tool:

Step-1: Free Download & Run "OST Recovery" Software

Step-2: Click on "Add File" and "Browse OST File" from Windows OS

Step-3: Choose "Quick Scan" for Minor or "Advance Scan" for Major Corruption

Step-4: Select Outlook OST File Data Items and Click on "Export" Button

Step-5: "Apply Filters" to Save Healthy OST File into Multiple File Formats

Yes, users can perform OST recovery process and then export files without the use of Outlook.
Yes, Exchange OST recovery program provides an alternative to restore the highly corrupted OST files via Advance Scanning option.
Yes, using OST recovery tool, the users can even recover or restore Outlook OST messages that are being deleted accidentally.
No, It is a standalone software and des not require any supporting application to perform OST recovery.
No, OST recovery program can repair and recover as many OST files as you want without any limitation.
Yes, the software is capable to recover all lost files from OST file of any Outlook version.
Why Rely on This OST Recovery?

Check How This Tool Helped User's in Recovering Lost Files

205 Ratings
5 Star
4 Star
3 Star
2 Star
1 Star