The GainTools OST to VCF Converter Program can quickly convert OST files to VCF files. The best software is easy to use and requires little technical knowledge. It has a few basic tabs to help reach the conversion target, so both technical and non-technical users can use it. The conversion process is always simple, regardless of how many contacts you want to convert from OST files to VCF files. All contact information, including phone numbers, email addresses, company addresses, first and last names, and more, is scanned and analyzed. The advanced features of the OST to VCF Converter provide users with the best possible sharing of data experience. The vCard email file extension allows you to view Microsoft Outlook Contacts on several email clients, such as BlackBerry, iPhones, and smartphones. The OST to VCF Converter Software is among the top data conversion tools. This program works with all versions of Microsoft Outlook, including Outlook 2021, Outlook 2019, Outlook 2016, Outlook 2013, Outlook 2010, Outlook 2007, Outlook 2003, and Outlook 2002. All versions of Windows, including Windows 11, Windows 10, Windows 8.1, Windows 8, Windows 7, XP, Vista, and others, are supported by this software. Additionally, the tool is lightweight. A few MB of hard drive space is needed for the installation.