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.


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 (116)

1 2 3 > Last
Silvain says...
We used this tool to resolve a synchronization error in our Exchange Server mailbox with .ost file in Outlook. It is an easy to use and operate tool to resolve all OST file error.
Yesterday 4:20pm
Javier says...
Honestly, this tool is capable to fix OST corruption issues just like that. After trying the free version, I decided to purchase the full version without thinking twice.
19th February 2018 2:36pm
Sennet says...
It is a comprehensive software to easily convert unlimited OST file to PST files successfully. I have solved my OST corruption issues with this OST to PST conversion software. If you are also looking for a solution to convert OST to PST file, then you can go for it.
16th February 2018 4:57pm
Sidney says...
This tool is reliable, accurate and first choice of the expert. The application effectively moves various OST files into EML/PST/MBOX/TXT/RTF/MSG files format in minimum time and with high accuracy.
15th February 2018 3:36pm
Saber says...
Before using this tool, I was not sure about how it is possible for us to repair corrupt OST files, which is in large numbers. But your tool, not just helped us to resolve corruption issues and also helped us to restore our data into PST file with ease. I would like to recommend this tool, if someone is looking for a reliable 3rd party solution.
14th February 2018 3:56pm
Maximilian says...
I recovered my all lost email with attachments using this OST to PST conversion tool. It is the perfect tool to fix OST related issues. If you are looking for an option of converting OST, then you can use it.
13th February 2018 2:01pm
Henry says...
Conversion of Exchange (.OST file) file to Microsoft Outlook PST format is not an easy task. In that situation user try the professional tool which gives the output according to your requirement, I suggest you can try this application for OST to PST Conversion which can provide easy and error-free solution.
12th February 2018 2:18pm
Samuel says...
Convert OST to PST is the professional application to repair broken, inaccessible OST file and recover every OST emails, task, calendars, appointments, contacts, and notes. Convert OST application allows convert selective folders from OST File&export them into new PST file format with all email properties.
9th February 2018 2:08pm
Finn says...
I had used some other software of this company. The last experience made me go for your company once again. Therefor, I bought this OST to PST converter tool to fix OST corruption issues. I would like to personally recommend this tool.
8th February 2018 2:41pm
Mattis says...
One day, due to the sudden termination of Outlook (Outlook-Exchange synchronization is in progress) my OST file get corrupted. To recover that file, I used a manual method called "Export to PST", but failed to access my OST file data. After that, I got your Convert OST to PST software free trial version and it not only helped me to resolve corruption issues, but also allowed to save data into PST file. Thanks a lot.
7th February 2018 2:34pm
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