OST is the file format of MS Outlook for Windows. OST files cannot be access to other platforms directly. Users who want to switch from MS Outlook for Windows to Entourage, Thunderbird, Apple Mail, or WLM, they need conversion of OST files. Manually, it is critical to export MS Outlook to Entourage, Apple Mail or any other file formats. Therefore, GainTools OST to EML Converter has introduced in the IT market. It is a reliable application that exports filtered OST files to EML. It keeps data of OST intact during conversion. The third conversion program allows users to convert OST of ANSI and Unicode to EML after following four easy steps. The reliable conversion solution works feely. It doesnt need installation of MS Outlook or any other third application. The conversion app permits users to export encrypted and orphaned OST files. There is an added benefit of the app. It allows users to get the preview of the uploaded OST file. It has a preview box features whole folders of the uploaded OST file and items of each folder. It is an interactive application that makes conversion process easy, fast, and secure. For data migration, the app can be installed on your Windows 10, 8, 8.1, or 7. The free version of the app is available in the official website of GainTools. Install the version to practically examine the key functions of the app. The free version is valid for 30 days with limited conversion facility. The license of the application is available for commercial and individual users. The validity for the app is lifetime. The compatible app can install on your Windows 10, 8, 8.1, and 7. Since the tool is lightweight, it doesnt take time to install and run on your Windows system.