How to convert ost file to pst file format using third party software

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I want to recommend you to use MailsDaddy OST to PST Converter

If you are able to acccess you profile then you can also perform manual conversion from OST to PST.

Third party softwares offers easy way to convert ost to pst. The process will differ from tool to tool. Decide what you want to use. You can check our the guide on Top 10 OST to PST converter tool on CloudBik's Blog Page.

A third-party OST to PST converter can be useful for extracting mailbox data from an OST file, especially if the original Outlook profile is unavailable. The overall procedure is as follows:

Step 1: Download and Install the Software

Install a reliable OST to PST conversion program on your Windows computer, like TrustVare OST to PST Converter.

Step 2: Add the OST File

Launch the application and find the location of your OST file. Pick the file that needs conversion.  

Step 3: Preview the Mailbox Data

Before continuing, examine the accessible emails, folders, attachments, and other mailbox contents if the program allows preview.

Step 4: Choose PST as the Output Format

Select the place where you wish to store the converted file after choosing PST as the destination format.

Step 5: Begin the Conversion

After clicking the conversion button, watch for the process to complete. The size of the OST file and the speed of your computer will determine how long it takes.

Step 6: Verify the Result

Open the generated PST file in Outlook to confirm that the required emails and attachments are accessible.

When regular Outlook export options are not available, using a dedicated converter could be helpful. Make sure the program supports your OST file before beginning, and maintain an unaltered backup of the original file.