There are lots of solution available in the market that can help you to convert OST to PST files. I would like to share about such an effective and secure software named as Kernel for OST to PST Converter. The software allows you to fix OST errors and convert them in accessible PST formats without facing any issues. You can also use it to recover deleted data from OST files. To know more about the software, visit: https://www.nucleustechnologies.com/ost-to-pst-converter.html

For free methods to convert OST to PST file, you can get some help from here: https://www.nucleustechnologies.com/blog/free-methods-convert-ost-to-pst-file/