OST to PST Converter

All-in-one solution for OST file related issues

Recover precise email data from corrupted and inaccessible OST files with original outlook profile.
Installation of MS Outlook is not required

Convert OST to PST either you want to move Microsoft Exchange Server data or Exchange Server goes in non-function or dismounting stage.
Preserves Meta-Properties & RTF of all emails

For Windows 10, 8.1, 8, 7

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oNE-STOP Solution

Stellar Converter for OST

Powerful software trusted by Microsoft MVPs and IT administrators to convert the inaccessible OST file into PST file and extract the mailbox data. The tool converts OST to PST and extracts the emails, attachments, contacts, & calendars, etc. with 100% precision.

Complete OST Items Conversion

OST PST Converter ensures all Exchange mailbox objects like emails, contacts, attachments, notes, calendar entries, etc. stored in the Offline OST file and converts them to PST files easily.

Export Outlook OST Items

The OST to PST Converter can swiftly extract all data within OST files and saves them securely into a newly created PST file. The new PST file can thereafter be imported into MS Outlook to access all data.

Keep Meta Properties & RTF

The tool ensures that all the meta-properties of the emails like the subject, sender, receiver, size, etc. are kept intact after conversion. It also maintains the Rich Text Formatting of every mail.

Recover files

Convert OST to PST Outlook 2019, 2016, 2013, 2010, & older versions.

Microsoft Outlook is widely used by officers for internal and external communications. Most Outlook users have an MS-Exchange Server account which works in synchronization with an offline storage table file (OST). The OST file conserve emails and other Outlook activities on Exchange Server in offline mode. MS Outlook updates these files so long the internet connection is established. In conclusion, these OST files work in synchronization with the MS Outlook PST file. It helps in keeping the mailbox up-to-date with new emails, meeting requests, delivery reports, etc.

When to use

Designed for Mail Problems

Mail items become inaccessible due to several Exchange Server or MS Outlook corruption issues. In such a situation, you need to convert emails in the OST files which contain crucial business information into a different Outlook compatible file format like PST.

Hardware Failure

If there is a data storage failure like the drive got bad sector, then your OSF files become inaccessible. And network failure happened while the synchronization process leads to OST corruption.

Synchronization Error

OST file located at user systems need to synchronize with Exchange Server, sometimes synchronization errors further not allow opening particular Outlook item leaving the OST in orphaned stage.

Virus or Malicious Software

The viruses and malicious software could damage Outlook and Exchange Files then our OST is becoming inaccessible. The OST to PST Converter could restore the damaged OST files in PST formats.

Abnormal Outlook Termination

The OSF file is prone to be corrupted or damaged in case your Outlook is shut down abnormally when you are opening, accessing, or synchronizing the OST file. So you need to convert the OST file into PST.

Recover files

Migrates OST to PST Files

OST to PST Converter enables you to convert OST to PST files with all the data items. The new PST file can thereafter be imported into MS Outlook to access all data.

Convert all Exchange objects including emails, contacts, attachments, notes, journals, calendar entries, and more to PST format.
Not only convert Exchange OST to PST, but also save the converted emails in MSG, EML, RTF, HTML, or PDF formats as well.
In case you have lost access to your encrypted OST file, this OST PST Converter could help you to fix the encrypted OST file and safely convert it to PST.

mailbox items

Restore Lost Data from OST

Stellar OST to PST Converter is designed to support both of the healthy and corruption OST files. You’re empowered to recover all your important emails from your corrupt OST but also restore deleted emails as well.

In case Exchange Server crashes, you could recover Exchange mailbox folders by opening the converted PST file in Outlook, keeping your precious data accessible.
Convert OST files and open Exchange mailbox emails, contacts, calendars, tasks, and other folders in Outlook easily.

Convert & sPLIT

Large-sized PST File

Convert Large-Sized OST File

Effectively convert the large OST file when Microsoft Outlook or Exchange Server is crashed or facing a disaster, or Outlook is facing synchronization issues. It converts the OST file efficiently and extracts the data with 100% precision.

Splits the Large-Sized PST File

To avoid the possibility of large size PST file corruption, you can split the large PST file into smaller parts and save it to the desired location. The tool offers to split the PST file in the size of 1-50 GB while preserving the original of the mailbox data. What’s more, you can also select to compact the PST file to decrease the size acquired by the PST file in the disk.

cONVERT & eXPORT

One-stop Solution for OST Outlook

Save the converted email data in PST, MSG, EML, PDF, RTF, or HTML formats.
Export OST file to MS Office 2016, 2013 (32 bit/64 bit), MS Office 2010 (32 bit/64 bit)/2007/2003/2002 (XP)/2000.
Export OST files to Office 365 format (This feature is available in Tech Version).

When to use

Why do you need to convert Exchange OST to PST file?

You may require migrating from OST file to PST in any of the following cases:

Server Crashes

When your Exchange Server is crashed or facing a disaster, your data is not accessible, you may want to convert OST to PST file format.

Deleted Mailbox without Backup

Your mailbox on the Exchange Server is deleted accidentally and you need to access your emails. You need to extract the item from the OST file.

Outlook Sync Issues

You are facing issues while synchronizing MS Outlook with Exchange Server. It converts the OST file efficiently and extracts the data with 100% precision.

Convert Inaccessible OST File

Exchange OST files could become inaccessible due to the problem caused by the viruses and malicious software damaging your Outlook and Exchange files.

Restore Inaccessible OST Files

You need to restore your inaccessible OST files in PST format while your Outlook and Exchange files are damaged by viruses and malicious software.

Need to Backup Your Emails

Back up data as a .PST file, whenever you need to carry your business emails to a different workplace, or just avoid something happens to Exchange Server.

Convert OST like a pro

Easy-to-use OST file Conversion

Select the OST file you want to convert and choose a location where you want the convert PST file to be stored. The conversion can be done in a couple of clicks. What’s more, some convenient alternatives make OST to PST Converter one of the best tools in OST recovery and converter.

Objects Preview

Detailed preview of the mailbox items stored in the converted OST file, such as folder, email, calendar, or other mailbox items.

Selection Formats

You’re enabled to Extract the mailbox data in different file formats such as PST, MSG, EML, RTF, HTML, or PDF.

Desired Location

You can select all or specific folders to specify the destination path where you want to save the converted PST file.