How do you convert an MBOX to PST for free?

Converting an MBOX file to PST for free can be done using a two-step process. First, import the MBOX file into a free email client like Mozilla Thunderbird. You can use the "Import Export Tools NG" add-on to import the MBOX file. Once imported, configure the Thunderbird client with your Outlook account using IMAP. Move the emails from the MBOX folder to your Outlook folders within Thunderbird. These emails will sync to your Outlook account automatically. Finally, open Outlook, and export the synced data as a PST file using the “Import/Export” feature. This method doesn’t require any paid tools and ensures your data is transferred securely. While a bit manual, it’s a reliable way to convert MBOX to PST for free.