To convert an Outlook 2016 mailbox to PST, the GoldyTools OST to PST Converter is a highly recommended solution. This powerful tool is fully compatible with all versions of Windows OS and ensures a 100% secure and reliable migration from OST to PST format.

With its user-friendly interface, users can easily install the software on any Windows system and perform a smooth, hassle-free conversion of their OST mailboxes—without risking data loss or corruption. Whether you're dealing with a single file or multiple mailboxes, GoldyTools ensures a fast and efficient migration process.
https://www.goldytools.com/blog/convert-ost-to-pst-file-format-in-simple-steps/