The full version of the software provides extensive conversion support, allowing users to save OST files as PST with Outlook.

However, this free version is designed specifically to offer transparent functionality and behavior. That's why it only allows you to save the first 10 items of each folder as a PST file. If you're looking for extended support for conversion, then you might want to consider the full version.
The full version allows you to save OST files as PST files with Outlook and various email servers, including the Office 365 platform. Overall, if you need software that can easily repair and convert your OST files, then L'OST a PST could be a great option.
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