The GainTools OST to MBOX Converter Software doesn't need to be techy. It is easy and quick to convert OST files to MBOX files. It converts OST files to MBOX files; no info is lost. Users don't need an email client to convert OST files to MBOX files. Anyone can save it after it has been converted from Outlook OST to MBOX. This tool lets users fix OST files and convert them into MBOX files. It works with all versions of Microsoft Outlook, including 2021, 2019, 2016, 2013, 2010, and more. Users can try out this software for free and explore the software's features. It works with many versions of Windows OS, including 11, 10, 9, XP, Vista, and more. These are email clients that can open MBOX files. Apple Mail, Mozilla Thunderbird, Eudora, PostBox, GNU, and other email clients are examples. Like OST files, MBOX files have data that needs to be kept safe while they are being converted.