OST File Converter is a versatile application. It is capable to export OST files to PST, MBOX, MSG, EML and EMLX format.  

It gives permission to save an OST file contacts in vCard format so that you can able to share Outlook data to multiple smart devices

It is a standalone program, performs conversion without installation of MS Outlook

Download the Program

At first, install the tool in your Windows XP, Vista, 8, 8.1 or 10

During downloading, it asks you to select the language you prefer.

Two languages are supported by the program- English or Deutsch, select any one and then press “OK”

There are some sets of rules that appears during downloading, accept them by click Next. The agreement is required to accept. Accept all through “Next” and save the tool in your desktop icon. At last, click FINISH button to successfully install the tool.

Launch OST File Converter

Right after downloading the app automatically starts in your system. But in the next time, you will have to click on the tool to open it.

The window of the tool is simple and easy to understand. The Menu bar display “Browse OST” button to browse the specific OST file. The left has PST Reading Panel to display the list of items stored in an OST file. In the Right side of the program, it has “Export Options” to choose your desired export. The middle position of the tool features Preview Pane.

Browse OST

It is the first step to perform conversion. Press “Browse OST” button to filter the OST file that you would like to convert.

Choose the OST file and then “Open “button

The selected OST file items will be displayed in “PST Reading Panel”. It tells you the number of items stored in an OST file. 

Get Preview

The OST File Exporter has preview feature that shows preview in the “Preview Pane” in hierarchical order. The upper box features serial and subject. The lower box provides information on text body, message header, attachments and additional information. It also shows From, To, CC and Subject. Attachment pane provides preview of the attached file that users can save

An attachment is saved with just click on “Save Attachment”

Export Options

OST File Exporter gives user choice to export data.

Export to EML

The OST File Exporter exports OST to EML. For this click on “Browse OST”  and select the required OST file for conversion.

Now, press “Export to EML”, a new small window will open featuring some options. Press “Complete Process PST” to convert entire items stored in an OST file. To export selected items of the OST file, choose the folder from the top menu. It pops us all the folders stored in an OST file, select inbox, outbox, sent items etc…  

If you want to ignore empty items, tick mark on “Ignore Empty Folders”

If you want to include sub-folder, tick mark on “include sub-folders”

Now, click on “Browse” menu to choose the location where you want to save the OST file. It can be either a new location or an existed folder.

The OST to EML conversion data is saved in a new folder or existed folder. Click on OK  but as you select the folder or create a new folder.

The browse box shows the location path.

 Finally click on “Extract EML Now” button

The tool shows the process is on. Finally, it shows the number of files exported safely.

Export to EMLX

To convert OST to EMLX, choose Export to EMLX which conversion process is not different from Export to EML.

The initial step needs you to select the required OST file that you wish to export. Click on “Browse OST” to select the desired OST file

Now, press the tab “Export to EMLX”, a new small window will open.  The tool carries some options to successfully complete conversion task.

Click on the arrow of the upper box to customize your conversion by choosing the specific folder

To convert entire items of the selected OST file, select “Process Complete OST”

To remove unnecessary downloading, tick mark on “Ignore Empty Folders”

Wish to include sub-folders, tick mark on “include sub-folders”

Now, choose the folder location, save the exported OST file to EMLX. It could be either a new location or an existed folder of your system.  Click on “Browse” to choose the desired location to save the file.

The browse box shows the location path where you are going to save the converted data.

 Finally click on “Extract EMLX Now” button

Export to MSG

The process of Export to MSG is not so different than Export to EMLX and Export to EML.

The primary phase needs you to select the OST file that you would like to export. Click on “Browse OST” to select the file of your choice.

The next step is to press “Export to MSG”, a new small window will open.  It  has a few steps to follow.

Click on the arrow of the upper box to select the specific folder or a specific item

 Mark on “Process Complete OST” to export entire items stored in an OST file

If you want to ignore empty items, mark on “Ignore Empty Folders”

If you want to include sub-folder, mark on “include sub-folders”

Now, Click on “Browse” to select the desired location in the system to save the exported file.

The OST to MSG allows you to save the converted data in a new folder or an existed folder. Press OK to choose once you select the folder to save data.

The browse box shows the location path.

 Finally click on “Extract MSG Now” button

Note: Follow the same process with Export to MBOX and Export to PST.

Extract Contacts

Press “Browse” button to select the required OST file to extract its contacts and save in V-Card.

You can get a clean preview of the selected OST file.

Now move on to “Extra Contacts”

A new window is opened asking you to select the location with “Browse” tab

Select the desired output location. Data can be saved in an existed folder or a new folder. In case you have chosen “New Folder” option, give the folder a unique name. 

Finally click on Ok. It is must to click “Ok” button otherwise output location will not be selected.

Click on “Process & Export VCards Now”

The messages “Processing… please wait” will feature until the task is complete. Migration speed is fast.

Demo Version

OST File Converter free trial is provided to download. It lets you know about conversion process in detail. Run easily on Windows 10, XP and Vista. The tool consumes less data, just 2.1 MB. The trial period is for a limited period of  time and export only 10 items. Export to PST and Export to MBOX features are not supported in the demo version.