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Hilgraeve is a software firm based in Monroe, Michigan, and is best known for its HyperTerminal Private Edition and HyperACCESS programs. In earlier years, HyperTerminal had been licensed for use by Microsoft in versions of Windows ranging from Windows 95 to Windows XP.
The firm's first software product was HyperACCESS, which was initially designed to enable Heath 8-bit computers to communicate over a modem. In 1985 this same product was ported to IBM PCs and compatible systems. Over the years the same version of this technology would be ported to other operating systems including OS/2, Windows 95, Windows XP, and Windows NT.
In 1994 IBM was the first major OS vendor to bundle one of Hilgraeve products with a 32-bit OS by including a copy of the firm's terminal program with OS/2 Warp 3.0, it was named "HyperAccess Lite". One year later Microsoft followed suit and licensed a low-end version known as HyperTerminal (essentially a "Lite" version) for use in their set of communications utilities. It was initially bundled with Windows 95, and subsequently all versions of Windows up to and including Windows XP.
Hilgraeve was an early entrant into devising anti-virus software, and received patents for its HyperGuard product, designed to prevent viruses from being downloaded while connected to an online service.
In February 2008, Hilgraeve's Healthcare business (HyperSend and HyperBridge) was acquired by Compuware.