GainTools Address Book Manager Software for users who want to quickly convert VCF files into other file formats. VCF files can be split, merged, exported, and imported using the program. Even non-technical persons can easily utilize the tool because of its more intuitive layout. It can convert several VCF files into different file formats without erasing or losing the data. Users may utilize a variety of different file formats, including PST, NSF, CSV, OST, and MSG, to export and import a VCF file. Multiple operating systems and email programs, such as mobile devices, iCloud, Gmail, Apple Mail, Microsoft Outlook, WhatsApp, Lotus Notes, and Skype, can export VCF files. This program has been tested and is compatible with these formats. Also, it operates with all VCF file systems and versions. The Address Book Manager software is reliable when used with all high-quality solutions. This software is supported with Windows 7, 8, 8.1, 10, 11, and all previous versions.