Aryson OST Recovery

Effortlessly Repairs & Recovers Corrupt Outlook OST Files.

Client Rating :   (Average Rating 4.9 Based on 10 Reviews)

There is no denial in the fact that MS Outlook is the most common email platform used by several organizations. Though it is commonly associated with two files OST & PST, Outlook users often face aproblem with the corruption issues in OST files. Some of the common reasons for corruption are exceeding file size & the synchronization problems. The corrupted OST file not only disrupts the normal functioning but also leads to many issues along with the loss of data. To restore OST data, you need a tool that will help in repairing the file and avoid unwanted loss. Aryson OST Recovery is one such software that can recover data from all kinds of corrupt OST files. You can check out the demo version of the tool for free & learn how it works.

  • Successfully export the data in corrupt OST file to other file formats like PST.
  • Recovers all the Outlook mail items like email, task, calendar, contacts, etc.
  • Ability to use Date filter to recover only the desired data from OST file.
  • Data in OST data files can be saved in different formats PST, MSG, DBX, EML, MBOX & Archive.
  • Three recovery modes to handle various types of corruption issues.
  • It supports to export emails from OST file into Windows Live Mail.
  • Option to save the Log of OST Recovery process for future reference.
  • Fastest scanning speed before exporting data from OST file.
  • Outlook Encryption supported to recover maximum & accurate data.
  • Supports all editions of MS Outlook (2016 & Lower Versions).
  • Software allows to export mailbox from an OST file into Mac Mail (MBOX) & other email cleints which stores emails in MBOX files.
  • Works on Windows 10, 8, 7, Vista, 2003, XP and 2000.
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Detailed Features of Aryson OST Recovery

Corrupt OST Files

Easy & Quick Recovery

The tool has the ability to perform complete recovery of the corrupt OST file with therestoration of metadata for the items like emails, calendar, contacts, appointments, tasks, journals, notes, etc. at a single go.

OST File Recovery Software

Restore Deleted Emails

It is not only capable of recovering data from thecorrupt file but also recovers even the deleted emails from deleted items folder in Outlook OST file.

Search Corrupted OST Files with Software

Search Option

This option is used to search specific emails of a particular mailbox folder in the large-sized OST file without wasting time on search.

Repair OST File with Scanning

Modes of Recovery

It supports three modes of OST file recovery process namely Standard Advanced & Deep mode depending on the severity of the corruption levels.

Preview of Recovered OST Files

Data Preview

To validate the integrity of the data recovered, users can check the preview of the recovered data by clicking on Preview section before saving the recovered data.

OST File Repair Tool

Log File Creation

It will create a detailed log file containing all records of the entire recovery process of OST file in text format for future reference.

OST Repair Software

Data Filter

This option enables users to save only the specific OST data that falls under the selected date range chosen by them so that they don't need to save data that is not required.

Exchange OST Recovery Software Supports

Non-English characters Recovery

The tool comes with anoption that can be enabled/disabled to recover Non-English characters from the particular OST file, which is helpful in recovering data from ANSI-format file.

Software Supports

Recovery of Encrypted OST

Before starting the scanning process, the software supports the recovery of data from OST file in the encrypted state available with options: high encryption, compressible encryption & no encryption mode.

OST File Recovery Software

Maintain Folder Hierarchy

The OST repair software has the ability to save only the data in selected mailbox folders from the Outlook OST file, keeping the existing folder hierarchy intact.

OST Email Recovery Software Option


It comes with automatic update feature with timely notification through registered email. Minor updates do not require any formality while major version upgrade may require registration.

Exchagne OST File Recovery Software

Screenshot Preview

The tool enables users to capture the snapshot of the file recovery that can be saved at user defined location, which avoids re-scanning in future saving lots of time.

OST Repair Software Allows

Multiple Saving Options

- Save OST Emails as MSG

This Exchange OST recovery tool is capable of saving recovered emails from OST file to MSG format.

- Save OST emails as DBX

Another file format that is supported by the tool is to save the recovered mailbox items as DBX file format.

- Save Emails as EML

The software is also capable of saving all the recovered emails from OST file in the form of EML file format, supported by other email platforms.

- Save Emails as MBOX

It allows users to restore the emails from Outlook OSTfile effectively in the form of MBOX file format.

- Recover OST data as PST

The Outlook OST recovery software can save the resultant recovered OST emails and other items in the form of another Outlook supported file, i.e. PST file format.

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Technical Overview

MS Outlook is one of the commonlypreferred email clients being used at an enterprise level that stores its database in two file formats- OST and PST. Both the files are supported by Outlook but their functioning is different from one another with the role of Exchange Server associated with one of them. However, we will be dealing with onlyOST files, corruption issues & ways to recover data using OST Recovery Tool.

OST files come into action only, when the Outlook profile is configured with Exchange server by enabling MAPI protocol. This file contains the replica of data that resides on the Exchange server, which acts as a depository storingall mailbox data like emails, calendars,contacts, etc.

Common Issues with OST Files

Issues in OST files are often generated when the files undergo corruption. To restore the data from such files, they need to be repaired using Recovery Tool. Here are some of the issues that are associated with OST files:

  • Exceeding Size of OST
    OST fileis associated with limited size & maximum storage of 50GB. These files start facing performance issues when their size reaches around 45 GB like slow working, Outlook hangs while opening that leads to OST file in corrupted mode.
  • Synchronization Issues
    Any disturbance in the synchronization process with Exchange server may lead to corruption of OST file. Some of the reasons for synchronization problem that leads to corruption aredue to power failure, maintenance issues with Exchange server &mismatching of the encryption key.

Common Errors Due to Corrupt OST

If theOST files are corrupted, it disturbs the normal functioning of Outlook & users face several error messages while using Outlook. Some of the common errors are as follows:

Error 1:
This Outlook error is shown when there is any issue related to synchronization with Exchange server and the possible reason for this error is when the server fails to recognize the corrupted OST files.

OST Error

Error 2:
It is shown when the Exchange server is not available because of any maintenance issue or when the OST file is in anorphaned state.


This error message is also encountered when the Outlook OST file gets corrupted due to synchronization problems.


» How can i open an OST file into Outlook? Read more
» How to Recover Emails from OST Files?    Read more

Comparison between Demo & Full Version

Product Features Demo License
Convert Corrupt OSTdata into multiple formats
Deleted Emails Recovery
Alignment of OST errors
Selective items Export
Save Recovered Data
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Price Free $49
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Frequently Asked Questions
Yes, the software will help in restoring only a few desired emails with Date range filter as per the dates specified by you & save them in any of the file formats supported.
Yes, the tool comes with the feature that can easily restore all the deleted emails that were accidentally or intentionally deleted by you. Also, it can recover emails emptied from the Deleted Item folder.
Yes, you can restore and convert all the mailbox items from corrupt OST file using ArysonOST recovery. It supports multiple saving options of the recovered data into PST, MSG, DBX, EML & MBOX formats.
Yes, it is mandatory to buy the license version of the recovery tool to save the recovered mailbox items in different file formats. Demo version allows you to recover the data but does support saving option.
The tool has a unique feature of saving the snapshot of the OST file at user specified location so that users can load the snapshot in future if required. Thus, it will save the time of the user that will be consumed on scanning.

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