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Free Unlimited OST to PST Converter

Difference between OST and PST file

OST file is there to save data in offline use and it is a replica of Exchange Server emails and stored on the local computer. OST files always created when you configure your email account as an IMAP account, Microsoft Office 365 account, Exchange Server account, and Outlook.com accounts. The OST file contains various types of data such as as- Email messages, Contacts, Calendar, Notes, Tasks, Journals, and other data. OST file is always used for offline view and it will automatically be synchronized when the internet connection is restored.

PST File:

PST file format personal or online storage folder which is by default format for MS Outlook. When a few certain types of email accounts (POP accounts) configured in MS Outlook then Outlook stores their information in Outlook Data Files (.pst) file automatically. These PST file stores many types of data such as Email messages, Contacts, Calendar, Notes, Appointments, Tasks, and Journals data.

The PST file synchronized emails and download the entire list of email messages and other items from your email server which you have configured as a POP account through your internet service provider (ISP). Also one of the best think about the PST file is that it will allow you to view your email messages on your local computer.

Tips: If your Outlook Data File (*.pst) becomes larger, then it will slow down your MS Outlook performance, So keep backing up PST file to save data.

Why you need to convert OST file into PST

There are several reasons and situations come when we need to import OST into PST Outlook file. Few of reasons are-

  • MS-Exchange Server unexpectedly crashes due to Exchange Server malfunction, virus attacks, or power failure.
  • When MS-Exchange Server goes into maintenance
  • When MS-Exchange Server goes down permanently.
  • If you think to move email data from one place to another
  • When an organization shifted from one place to another place, then

OST to PST conversion is most helpful to view email messages in Outlook. Let me explain below “how the Free unlimited OST to PST Converter Software to convert OST to PST”.

Pick the best OST to PST Converter Software

First of all, there are no manual steps to do the conversion from OST file to PST. So here I will show you one of the most effective and powerful software for Free unlimited OST to PST Conversion. Try this SysInspire OST to PST Converter tool comes with modern technology-driven file scanning features that will help to scan and open larger OST files in seconds with complete information.

To convert the entire list of OST folders including emails, contacts, calendar, notes, tasks, and journal items! Try to download SysInspire To convert the entire list of OST folders including emails, contacts, calendar, notes, tasks, and journal items! Try to download SysInspire OST to PST Converter Software.download software

Few features of SysInspire OST to PST Converter Software

  • Recover OST emails, contacts, calendar, notes, tasks, appointments, and journal items.
  • Recover Inbox, Outbox, Draft, Sent-Items, Deleted Items, Junk-Folders, and all other user-created folders and subfolders.
  • This OST 2 PST software is a complete solution for MS Outlook i.e it supports OST, PST, and NST file conversion into PST file.
  • No file size limitation for recovery and conversion
  • Recover all types of email messages such as- HTML, RTF, and TXT
  • Preserve email properties such as- To, From, Cc, Bcc, Subject, Date & Time.
  • Preserve original folder structure as you have in your OST file
  • OST 2 PST Converter tool supports all versions of OST, PST, and NST files including OST 2019, and all below versions.
  • It is also known as Free unlimited OST to PST Converter because it has the ability to convert any sized OST file without any limitation

Steps to follow to Convert OST to PST file

Download SysInspire OST to PST Conversion Software from here- https://www.sysinspire.com/ost-to-pst-converter/

Install the software on any version of Windows Operating System

Open the software and you can see the same as below screen-

unlimited ost to pst converter
Home Screen of SysInspire OST to PST Converter

Click on “Select OST” button from software toolbar OR from File Menu, then below screen appears and ask you to input OST file.

ost to pst converter technique
Select OST, PST or NST file here by clicking on “Select File” button

Note:- SysInspire OST to PST Converter software supports 3-type of file recovery and conversion and these are- Outlook OST, PST and NST file.

After selecting OST file, click on “Start Scanning” button to start the software operation on your file. Software will be taken few seconds to read your OST file and show you like below screenshot-

best ost to pst converter
List of OST file folders with its preview

Here check the preview of every email messages, contacts, calendar, notes, tasks, journals, and other user create folders. After that select the folder (if you want to convert only few folders) OR select entire list of folders from left tree hierarchy and click on “SAVE OST” button.

The following screen appears on your computer-

convert ost to pst, mbox, office 365, msg, eml
Conversion Options- More than 8 conversion option listed here

Now pick your required conversion option here from Outlook PST, EML, MSG, EMLX, MBOX, HTML, VCF, ICS file.

Click on “Browse” button to choose the saving location for converted file and finally click on “Convert” button

free unlimited ost to pst converter
OST Conversion into selected format

Software will takes some time to finish the conversion process and show you confirmation message like below screen-

ost file to pst converter
OST to PST Conversion Process Completed Successfully



About SysInspire

SysInspire Software always designed product to help clients relating to Email Conversion, Data Migration, Forensic Tool and many more..

  • 2764 Pleasant Road Suite A PMB 916, Fort Mill, SC 29708 (USA)
  • support[@]sysinspire [dot] com