Want to convert orphaned OST file? Use Stellar OST to PST Converter. Export emails, attachments, contacts and other items from OST file to an existing or newly created PST file. This efficient tool recovers the deleted emails as well and moves them to Outlook personal folders. Easy to use and compatible with Outlook 2019/ 2016/ 2013/ 2010/ 2007/ 2003/ 2002/ and 2000, the OST to PST converter can save files in PST/ EML/ MSG/ RTF/ PDF and HTML Format.

  • Search the desired OST file to export
  • Convert any size of OST file in PST format
  • Perform eDiscovery searches of the mailbox
  • Recover Accidentally Deleted Mails
  • Preview and Filter items before actual conversion- Selective OST to PST Conversion
  • Convert Password Protected OST Files
  • Multiple OST File Conversion
  • Export OST to Office 365 Cloud
  • Free OST to PST Conversion for 20 items per folder

Error-Free Efficient File Conversion

Stellar OST to PST converter exports the data items from the OST file in a manner that they do no lose their properties and maintain data integrity. This tool quickly extracts the data from OST and exports it to the PST file without losing a single bit of data.

Comes to Use in Various Services

Stellar OST to PST tool comes to use for many purposes like creating a backup of OST in form of PST file and moving it to new email service, to access the corrupt OST file, When Outlook inbuilt Import/ Export feature fails, the OST to PST converter helps in moving files, When PST data is lost it can be extracted from OST. These features make Stellar OST to PST converter as a multipurpose tool.

Export All OST components to PST

This amazing OST to PST software ensures that all Exchange objects in OST i.e. emails, contacts, attachments, notes, tasks, journals and calendar entries converted in Outlook PST file. The tool performs all the risk-analysis and then proficiently move each and every component. The e-mail properties are not lost and it has it's corresponding to, from, subject field.

Convert Orphaned/ Encrypted OST Files

Error in Exchange server intervenes with the synchronization of OST file making it orphan. This left OST of no use, but the Stellar OST to PST converter accepts this OST file and processes it to make usable for Outlook. Moreover, if the OST file is password protected and unable user to open data items, the OST to PST converter fix the problem and export files from this encrypted OST to PST.

Batch Conversion of Files

The software reduces the time of user converting multiple OST files one by one. Stellar OST to PST converter enables to add multiple OST files and convert to corresponding PST file in batches. Multiple files are added and they get converted simultaneously at the same time and the same location.

Split and Compact

The large size of PST being a reason for corruption made the stellar to add this feature. Users can now use Stellar OST to PST converter to split and compact large PST files with a single click. Outlook PST split can be further narrow down by using Split by date and Split by Size option.

Convert OST to Office 365

Now avoid the lengthy processes of converting OST to PST and then PST to Office 365 to move data to mailboxes. Advanced OST to PST converter directly exports the OST file to Office 365 mailboxes. Just select Office 365 as save option and log in to account, the OST file is saved to Office 365. The converter also saves the OST to MSG/ PST/ EML/ RTF/ PDF and HTML format.

Convert Encrypted OST File

Email users often encrypt their data or mailbox to safeguard important information from unauthorized access. OST to PST converter is helpful in converting or reviving data even from an encrypted mailbox as well. Even if the mailbox is damaged and you have lost access to your encrypted OST file, OST to PST converter rescues your data like a pro

Compatible software

This software is compatible with various MS Office versions including 2019, 2016, 2013 (32 bit version and 64 bit versions), MS Office 2010 (32 bit and 64 bit versions) / 2007 / 2003 / 2002 (XP) / 2000. In addition to this, this software also allows saving the recovered data in Office 365 format. All you need to have is an Office 365 account.

Stellar OST to PST Free Download

The Trial version of Stellar OST to PST gives users the preview of files and let them to convert 20 items per folder for free of cost, Use Coupon Code FRT2020 for 20% Discount.


  • Corporate
  • $79
  • 5 Mailboxes
  • Convert OST to PST
  • -
  • -
  • -
  • -
  • Get 20% Discount Use code FRT2020
  • Buy Now
  • Technician
  • $149
  • Unlimited Mailboxes
  • Convert OST to PST
  • Batch Conversion
  • Compact & Split
  • Export to Live Exchange
  • Direct Export to Office 365
  • Get 20% Discount Use code FRT2020
  • Buy Now

Frequently Asked Questions

A: Depending upon the file size, the time varies small OST file will take less time and you can also sort & exclude the items from OST to export them to PST. You just only add the OST file, scan & select items and save to PST format.

A: Add the PST File in Outlook as

  • Once the Stellar OST to PST converter created the PST file
  • Start the Outlook, click on File>>Open
  • Select Outlook Data file
  • Go to the folder where PST file is stored and click OK, the PST file will open

A: If you are an individual then corporate version will work fine, but if you are a working in an organization then try the Stellar OST to PST toolkit.

A: Yes, the OST migration tool works with orphaned OST files too, so if the Exchange server is damaged and you are left with OST, then OST to PST converter will help in exporting data to Outlook PST file

A: The Stellar OST to PST converter can be used to recover deleted files, it can be used as a backup tool, moreover it act as conversion tool for other email programs too.


Other Alternatives

Kernel for OST to PST

Convert damaged, corrupted or inaccessible OST file to Outlook PST format with advanced Kernel for OST to PST tool Read More

Systools OST Converter

Systools OST to PST Converter to convert/export/import OST file(emails, contacts, calendars, notes, etc) to Outlook PST format Read More