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.

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.

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.
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.

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

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:
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.
Tech sPECs
Version Support:
MS Outlook: Office 365, 2019, 2016, 2013, 2010, 2007
Hard Disk:
250 MB for installation files
Memory:
4 GB minimum (8 GB recommended)
Processor:
Intel-compatible (x86, x64)
Operating Sytem:
Windows 10, 8.1, 8, 7
Languages Supported
English, German, French, Italian, Spanish