If you want to convert OST to MBOX, it can be tricky because OST is used by Outlook and MBOX is used by email clients like Thunderbird and Apple Mail. Choosing the right tool makes the process easier.
One highly recommended tool is Advik OST to MBOX Converte. It’s simple to use and converts OST files to MBOX without losing any data, including attachments, formatting, and metadata. You can also preview emails before converting and recover deleted or inaccessible OST data.
The tool supports bulk conversion, keeps the folder structure, and works with all versions of Outlook and MBOX-compatible email clients like Apple Mail, Yahoo Mail, Opera Mail, Thunderbird, and more. It runs on all versions of Windows including 11, 10, 8.1, 8, 7, XP, Vista, and older. A free trial is available for new users.
