The most efficient way to convert OST files to PST files is by using an automated solution. While there are multiple methods available for performing this task, the automated approach stands out as the most effective, reliable, and secure option. Rather than dealing with the complexities and potential risks of manual methods, you can simply download OST to PST converter software, which will seamlessly convert your OST files into the PST format.

I personally used the Goldytools OST to PST Converter, and here’s a step-by-step guide on how to convert your OST files to PST using this tool:

Step 1: Download and install the Goldytools OST to PST Converter on your system.

Step 2: Launch the software and browse to select the OST files you wish to convert.

Step 3: Choose the PST format and specify the destination folder where you want the converted files to be saved.

Step 4: Finally, click the "Export" button to begin the conversion process and wait for the results to be saved in the selected destination.

This simple, automated process will ensure a smooth and hassle-free conversion of your OST files to PST format.