Free OST to PST Converter Features

Offline OST to PST Conversion

The OST to PST Converter exports OST to PST in offline mode. It accesses all OST files on the system without the original Exchange profiles or an Exchange Server connection and then converts to PST. Even orphaned or damaged OST files can be converted to PST.

Search & locate OST files

The Search feature of this free tool helps to find all the OST files available on the system. For conversion, you can just select the required file from the list displayed by the tool. This basic feature is for all users

Complete Preview for FREE

This free OST to PST Converter is like an open source tool when it comes to the preview feature. The entire OST mailbox data—emails, contacts, calendar, etc.— can be previewed. And in the case of damaged OST files, all recoverable items are displayed for preview.

Saving to Exchange, Office 365, Thunderbird, & Gmail

This freeware utility can be upgraded to get many advanced OST saving options like Exchange Server, Office 365, MBOX, and web mails. So this utility is suitable for Exchange administrators as well as home users.

Analyze the OST File Content

This tool provides four types of OST File Analysis Reports for free: Total item types on the OST file, Mail flow density by date/users, and interaction between any two different users. The content of the entire OST file or selected mailbox folders can be analyzed this way.

Search, find, & save emails

You can fetch essential emails from even from very large OST files, just by providing a few search criteria like From, To, Subject, Date range, or Attachments. The items then can be previewed and saved to the desired formats/destinations.

Convert OST to PST Free

Export 25 items free from each folder of OST to Outlook (PST), Outlook Express (DBX), MSG/EML, TXT, HTML/MHTML formats. And for OST files up to 500 MB size, we offer free conversion from OST to MBOX (Thunderbird), DBX (Outlook Express), PDF (Adobe Reader), EML/MSG, RTF/TXT, HTML/MHTML, & PST (Outlook) formats.

Export OST to PST in Outlook 2003 & later

This free tool exports OST to PST of Outlook 2016, Outlook 2013, Outlook 2010, Outlook 2007, & Outlook 2003 versions.
You simply can import the PST file to any of these
versions of Outlook.

Testimonial
FAQs

Do I need to give credit card details for downloading this tool?

No. You need not even provide your personal information for downloading the tool. The trial version is free for all and you can get it just by clicking the Download button on our site.

Can I back up my mailbox without Exchange administrator’s involvement?

The OST to PST Converter is designed keeping the end users in mind. You can back up your mailbox to PST file on your end without any involvement of Exchange administrators.

I am using Thunderbird on my personal system as it is free. Can I export my official emails from my Exchange account to Thunderbird using this tool? I don’t want to disturb my Exchange administrators for this simple task.

You can export your official emails from OST files to MBOX format using this tool. You can perform it yourself without any help from Exchange administrators (however, make sure that your company policy allows you to do this).

OST files are on client systems. But why this tool has options to save OST files to Exchange Server, Office 365, etc.?

Exchange administrators can use this tool after Exchange disasters to restore user mailboxes to a live Exchange Server or Office 365. Only thing is that they have to collect OST files from the client machines.



Comments (71)

1 2 3 > Last
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Smitha Desai says...
I genuinely liked the tool for providing detailed Preview in the freeware. It helped me for selective recovery of my ost file items. Best utility I have come across ever.
Yesterday 7:47pm
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Jeff Bullas says...
Great! free tool to convert small OST file to outlook PST.
11th December 2017 4:45pm
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Olivia says...
Try this tool if you don't wants to pay for OST to PST conversion, I tried and convert my 900 MB OST mailboxes to office 365 free.
8th December 2017 5:07pm
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Sanson says...
Very straightforward and accurate tool to convert OST mailbox data to an Outlook PST file. I am happy with the performance of the tool.
6th December 2017 7:08pm
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Parker says...
It is the best tool which can be used to convert the offline OST files to its PST counterparts. I was not able to access the content of OST file after it was corrupted due to some other faulty applications on my computer. I used the scanpst tool to rectify the error, but it could not solve the problem. Ultimately, I used this OST to PST converter tool which retrieved the my mailbox and its items within some minutes.
29th November 2017 6:59pm
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Calum says...
Excellent features, easy-to-use and allows to access even corrupt OST mailbox data with ease. By the help of this software, users can also migrate OST mailbox data into other email environment, like Office 365, Exchange, iCloud, Office 365, Gmail, etc.
22nd November 2017 2:55pm
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Phoebe says...
I was searching for a long time for OST to Office 365 conversion. I got lucky when I found this tool online. Its features are as promising as described. 'Find' option facilitates easy searching of emails while 'Save Snapshot' is an exceptional one. You can save the ongoing procedure and continue it from there next time you load the snapshot. Looking forward to using more products in my bad times.
6th November 2017 4:30pm
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Damon says...
While using Outlook, an error was displaying "Cannot start MS Outlook." Luckily, I got to know about this tool and was able to fix OST file issue. Hats off to its user-friendly interface.
27th October 2017 7:24pm
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Winifred says...
Wonderful experience with OST to PST tool. I have worked with many tools being a part of an IT organization. Well, I noticed that this tool provides the best of the solutions for any sort of problems. It allowed me to easily convert inaccessible files to PST within few minutes.
18th October 2017 4:06pm
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Harry says...
My Outlook stopped responding due to size limit issue and I was not able to access my emails. However, this OST to PST recovery tool made it easy for me to convert the data into multiple PST files.
13th October 2017 3:02pm
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