How to Convert Outlook Offline Folder to PST File Format Manual Solution to Export Offline file to PST

With the below mentioned information, You can achieve the perfect migration of your Outlook Offline Folder to PST file format without any data loss. You will also be able to recollect the permanently deleted data.

Outlook Offline Folder (OST) file:

Offline Storage file of Microsoft Outlook is automatically created when any account is configured at client end and connected to Exchange Server. OST file is similar to PST file except some aspects as given below:

-- PST file is directly synchronized to the network while OST file is synchronized with Exchange Server.

-- In case of PST file corruption, you need a third party software. However, to achieve OST recovery, you can simply download the entire data from the Exchange Server User Mailbox.

-- OST files allows the editing, accessing, sending emails and other items in offline mode. Since, Outlook Offline Folder is independent of Exchange Server.

Reasons to convert from Outlook Offline File to PST:

-- In corruption or damage point of view, PST file format is preferred which is easily accessible and more compatible.

-- PST file can also be used with Exchange setup. However, It is not mandatory that PST file is only compatible with Exchange Server. PST file can be used with other servers as well.

-- With the help of PST file, you can free up the storage space in your mail server. So that, You can add new information to your mailbox.

Way to Move from Offline file to Personal File(PST):

After analyzing the distinct features of PST file, You have decided to go with PST file instead of OST file. Then, you may proceed with the manual procedure of OST Conversion that is given below:

Before starting the process, Make sure that the Exchange profile should not be deleted from server. Otherwise, You will not be able to perform manual conversion of Offline Storage table to PST file format.

The manual approach can also be achieved in multiple ways:


With the help of this method you can export the Outlook Offline Folder to PST file format and save the data in Excel and CSV format. You can follow the given below steps to start the export process.

-- Open MS Outlook on your system.

-- Click on File from the menu bar and select Import and Export.

-- Click on Export to file from the given list. Hit the Next button.

-- Select Outlook Data File from given options. Click on Next button.

-- Click on main root and enable Include sub-folders option. Click Finish.

This method would work if the user is connected to Exchange Server.


Archiving is done to transfer mailbox data items to a PST file format. Go through following given steps:

-- Open Outlook on your system.

-- Follow File >> Archive.

-- Now, Select the folder or file, you want to archive.

-- Browse for the location to store the output PST file.

-- Click Finish.

With this approach, You can transfer the Outlook Offline Folder data except contacts.

Move data to a brand new PST file:

To migrate the mailbox items of OST file into a new PST file. You can go for following easy steps:

-- Open Microsoft Outlook.

-- Create a new PST file in your Outlook profile.

-- Then, Drag the mailbox folders, that you want to transfer to PST file.

Additional Solution:

To transfer the data of Outlook Offline Folder to PST in no time within few clicks, You can use OST to PST Converter that will convert your entire data into multiple file formats like MSG, PST and EML file format.

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