The most useful tool for transferring vCard files to NSF format is the WholeClear VCF to NSF Converter. This software is able to transfer contact data from Google Contacts, Outlook, and mobile devices to IBM Lotus Notes. It gives a 100% guarantee that all contact data—names, phone numbers, email addresses, titles, etc.—is saved during the transfer. This software works on every version of Windows. It can convert the desired VCF contacts to NSF format without any data loss. This application is compatible with all Lotus Notes versions, including 10.0, 9.0, 8.5, 8.0, 7.0 and 6.0. While working with this software, it is important to keep in mind that users must have the Lotus Notes email program installed in their system, while no other server is required. It is compatible with all vCard versions, including 2.1, 3.0, and 4.0. It ensures that there is no loss of data during file transfer. Users can get 24/7 technical help that is provided by this application. Before purchasing the tool, users can use the tool by using its demo version, which is free and can transfer 25 VCF files to NSF.