About
Cardfile is a personal information manager, based on index cards, that was originally developed and distributed by Microsoft for its Windows operating system. First released with Windows 1.01 in 1985, it was a standard inclusion until Windows NT 4.0 Server and could also be installed with Windows 98 and Windows Millennium Edition. This proprietary, yet free, 16-bit Windows application served as a foundational productivity tool, allowing users to manage personal information through its unique virtual index card interface. Its core product offering centered on the 'Cards' feature, providing a simple yet effective system for organizing data. While specific revenue, leadership, or employee counts are not available, its long-standing integration with the Windows platform established its market presence as a native utility for personal information management.
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