: Launch the software, click the Activation icon (usually a key symbol), and enter the serial key provided in your email to unlock full saving capabilities. Conversion Process

Once activated, you can convert your files by following these steps:

A modified version of the software might corrupt the very OST file you are trying to save. Activation Loops:

Technically, no serial key is legally free. However, if your OST is still connected to an active Exchange profile, you don't need a key at all. You can use Outlook's native Import/Export