What is an OST file & Why to Repair OST file

OST is the Offline Storage File in MS Outlook application. Offline mode makes user possible to work offline, and later it gets synchronise with Exchange Server when you gets online with Exchange Server. We need to Repair OST file to get inaccessible data back in PST file.



  • Pentium II 400 MHz Processor
  • Minimum 64 MB RAM (128 MB recommended)
  • 50 MB for software installation

How to Convert OST to PST?

GSTECH OST to PST Converter Tool is made to convert entire mailboxes which lost suddenly from OST file

  • Repair an OST file and also data recover from ost file to PST
  • Software provides multiple conversion of OST to PST, EML, MSG and HTML too
  • Split PST file when PST file is oversized during OST Recovery process,
  • Recover OST lost/inaccessible data file from such OST vesions 5.0/5.5/2000/2003/2007/2010 to 2019
  • get back each and every single bit of data after repair OST file
  • Convert an OST file with emails, tasks, journals, meetings, Meta Data, contacts, calendar etc
  • OST to PST Conversion on such PST platforms-97/2000/2002/2003/2007/2010 to 2019 and office 365.
  • Export OST Office 365 mailboxes to Office 365
  • Export OST specific file and folders
  • Convert OST to PST Free to Save 25 items per folder

Best Price

OST Recovery
PST Recovery

Personal License
Order Now [$78]

Corporate License
Order Now [$278]

Technician License
Order Now [$359]

Why to Choose Us!

With GSTECH OST to PST Converter Software you can easily get multiple saving option to read your inaccessible OST file data without any trouble.Read More


Recover OST data to PST format

With its superlity OST user can recover their entire OST emails data with metadata + attachments into PST format.


Convert OST to EML/EMLX format

This great tool GSTECH OST To PST converter online easily helps user to convert from OST to EML or EMLX both format. It clearly approach EML(Window live mail or other version) or EMLX supported versions(Apple,Mac,Thunderbird etc)


OST Contacts to .VCF format

With advance OST file converter tool you can easily extract OST contacts from ruined OST file and then convert or apply saving option for recovered OST contacts into .VCF format

ost to pst converter

Know more about Smart features of GSTECH OST to PST Software-that how it Repair OST file

OST to PST Software

Remarkable Conversion of OST data into Office 365

Tool OST Converter PST really well suitable application for entire version of OST file upto 2019. it smartly convert OST file to PST file and also gives best opportunity to get back data in office 365 too.

Export OST to PST

Save OST to PST

After a complete OST to PST recovery process, it will entirely export OST to PST with complete mailboxes details and database such as emails with attacments, notes, messages, contact, calendar, tasks, draft, journal, appointments and all Meta data as to, cc, bcc, date/time etc

OST Recovery to PST

Recover Corrupted/Formatted/Deleted OST file

Sometimes you don’t know what would be the situation, when need to recover OST to PST. It may deleted/formatted/corrupted database need to recover quickly. This smart tool easily cop up from all bad situation and get your data back in readable,accessible and workable mode

Export OST data

Simply Export OST into Multiple forms

It systematically recover entire OST data and allow user to export OST data into mulitple forms like-EML/EMLX, PST, MSG and HTML. Moreover OST contacts into .VCF format.

Free OST to PST software

Virus Free

Really virus free software, it never harm your internal stored data during recovery process, just provides you safe OST to PST Recovery.

Repair OST file

Fluent OST Email Recovery

It provides a smooth process to Repair OST file and Recover Emails with entire archives- To, Bcc, Cc, Subject, data and time and then transfer OST to PST without any interruption

OST Contacts to .VCF

Gives Saving in Multiple formats

OST to PST Repair Tool efficiently recover entire OST emails into various file formats such as EML, MSG, HTML, MHTML and OST contacts to Vcard (.vcf).

Online Converter Tool for OST Recovery

Restore OST to PST Assurely with 100 % Safety

OST to PST online Converter Tool provides a safeguard to user, so that they can easily recover and convert OST emails with complete transformation into especific destination.

Recover OST Data

Special Apps Supports

recovered data convert from ost to pst on 97 to 2019 and office 365 and also capable to execute with Exchange Server such as 2019, 2016, 2013, 2010, 2007, 2003, 2000, 5.5, 5.0.

Convert an OST to PST

Convert an OST to PST free with Demo

GSTECH permits allows user to have look on demonstration, which is great idea before purchasing any software. User can obtain this DEMO totally free of cost. It can recover entire mailboxes database of OST (offline storage). For further process after recovery, user will have to buy the OST to PST Converter Tool to do saving of OST into PST files formats.

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FAQ's and Facts
What are the versions of OST supports by this software?

It cooperates with MS Exchange 5.0, 5.5, 2000, 2003, 2007 and 2010, MS Outlook 97, 98, 2000, 2002, 2003, 2007, 2010 and MS Outlook Express.

There is a big difference in DEMO is that it allows you to recover OST completely but not saving, and in FULL version it allows both recovery as well as saving recovered database on your computer location.

OST gets corrupt, if suddenly any connection break with Exchange Server due to power failure or any related issue, virus attack, server crashed, database file deleted accidently or by mistake etc

Yes, GSTECH made its GUI so much easy to handle and easy to operate, so no need to have any perfection in computer handling.

Yes, This software allow you not save not even in PST file but also safely and securely tranfer recovered emails into EML or EMLX, MSG and HTML tool plus OST contacts to .VCF.