Tizen Developers

Export mailbox as a PST file
Login to Outlook with the Exchange account that was used to create the OST files. And to export the OST mailboxes to PST, follow the simple procedure as given here:

Go to Files >Open & Export and click Import & Export.Import & Export
Select Export to a file; then click Next.Select Export to a file
Select the second option—Outlook Data File (.pst)—and click Next.Select PST file
Select the folder(s) which you want to export and click Next.Select the folder to export
Note: You have the option to include subfolders as well.

Browse the location where you want to save the new PST files and choose an option regarding the duplicate items.
Note: There is an optional choice to provide a password to the PST file, but you can easily move ahead without choosing it.

Want to convert the outlook ost file into pst format manually? then try the process below.

• Launch Microsoft Outlook and select File > Open & Export > Import/Export.
• Select "Export to a file" and click Next.
• Choose "Outlook Data File (.pst)" and click Next.
• Select the account you want to export and click Next.
• Select the folder you want to export and click Next.
• Choose a location to save the new .pst file and click Finish.

Or try the professional software Cigati OST to PST Converter to convert outlook ost files into pst in just a few clicks.

A tool to convert OST to PST  in a quick method from Outlook to PST data emails, attachments, contacts, date, time, and other data, etc. This Toolsbaer Outlook Attachments Extractor Application will work effectively with all Outlook versions of files and this tool on Mac and Windows systems. The best feature I liked about this application, there is no need for technical experience and users do not have to face any trouble at the time of conversion. New users should download the free demo to see how their features work and what features it has.

There is no manual solution available for when the OST file becomes disconnected from the Exchange server. Therefore, we recommend that you go for the experts' suggestion SysTools OST to PST Converter is the perfect choice and allows you to convert one or multiple OST files without compromising your mailbox data. This wizard also allows you to recover and convert inaccessible, corrupt and large OST files. It also offers a comprehensive and user-friendly interface for easy trading without having strong technical knowledge.

For more information: https://www.systoolsgroup.com/converter/ost-pst.html

There is no manual solution available for when the OST file becomes disconnected from the Exchange server. Therefore, we recommend that you go for the experts' suggestion SysTools OST to PST Converter is the perfect choice and allows you to convert one or multiple OST files without compromising your mailbox data. This wizard also allows you to recover and convert inaccessible, corrupt and large OST files. It also offers a comprehensive and user-friendly interface for easy trading without having strong technical knowledge.

For more information: https://www.systoolsgroup.com/converter/ost-pst.html

There is no manual solution available for when the OST file becomes disconnected from the Exchange server. Therefore, we recommend that you go for the experts' suggestion SysTools OST to PST Converter is the perfect choice and allows you to convert one or multiple OST files without compromising your mailbox data. This wizard also allows you to recover and convert inaccessible, corrupt and large OST files. It also offers a comprehensive and user-friendly interface for easy trading without having strong technical knowledge.

For more information: 

I totally agreed with the statement, once your Exchange server gets disconnected from the server then its not possible to do any manual solution. It is not worth of using that in any case and you probably miss out your mailbox data. In that case, the third party tool like ZOOK OST to PST Converter will only help you to convert your OST files into PST format and hence access all mailbox data in Outlook again. It is a simple and hassle-free way for users to import OST file in Outlook without any trouble.

Just download the FREE trial edition in your PC and start your conversion.

Method 1: Manually save the OST mailbox in PST format.

Follow these methods to manually convert OST files into PST for free format.

• Open Outlook and select the File tab.
• Select the Import/Export option under Open & Export.
• A new dialog box called "Import Export Wizard" will emerge. Select Choose to Export a File from the 'Choose an action to do' list. Then click on Next.
• Select Outlook Data File (.pst) from the Export a file dialogue box. Then click on Next.
• Now, pick the folder to export and click Next.
• Choose where you wish to save your PST file and click Finish.

Method 2: Manually Archive OST Files as PST for Free.

To save an OST to PST format using the archive technique, follow the steps below:

1. Open Outlook and navigate to the File menu.
2. Click 'Options', then the advanced option.
3. A new dialog window will open. Click the Auto Archive button on the screen.
4. Now, pick the location where you wish to archive your data and specify the number of days after which the backup should be repeated.
5. Once you click OK, your backup will be made.

In this part, we will look at how to manually convert OST files to PST format. However, be aware that the manual method can be time-consuming and requires substantial technical knowledge. If you prefer a speedier solution, we propose the TrustVare OST to PST Converter Tool. This program will save you time and provide a safe way. It converts huge OST files to PST format without any data loss. Work on all versions of the Windows operating system.

Thanks for solution

Nice information