I recently saw a blog post that explained two approaches for converting an OLM file to a PST file. The first technique is to manually convert OST files to PST files, and the second is to utilize the OLM Converter program, which is a professional solution. The manual technique is free, but it has some drawbacks that make it less useful. Manually performing the procedures is a time-consuming operation that necessitates technical support.
As a result, I strongly advise you to use the Advik OLM to PST Converter. This is a simple and effective tool for converting OLM files to PST files without losing any data. Throughout the conversion process, it maintains the data safe and secure. You can also use the free version.