The GainTools OST to MSG Converter Software is easy to use for all users without technical knowledge because it has a user-friendly interface. It's easy to convert OST files to MSG files without losing any information. When users convert several OST files to MSG files quickly, without wasting time. When it converts any size OST file to an MSG file easily. Users can preview the OST files they've selected and save them as MSG files before they convert them. Many different versions of Windows OS can use it, such as 11, 10, 8, 7, XP, Vista, and more. When you convert locked OST files to Outlook MSG files, it's easy and doesn't lose any data. It also has a trial version that anyone can use. It works with all versions of Microsoft Outlook from 2021 to 2021. It can open all kinds of Outlook files, including ANSI and Unicode files. The emails, contacts, notes, and other items in the OST folder are all converted into MSG files.