[MSDN Library June 1998] Unrecognized file format. (100%)

MSDN Library Visual Studio 6.0 > Visual InterDev Documentation > Reference > Site Designer Reference > Site Designer Error Messages

[MSDN Library June 1998] Unrecognized database format (24.7293881254861%)

MSDN Library Visual Studio 6.0 > Platform SDK > Database and Messaging Services > DAO SDK > Trappable Microsoft Jet and DAO Errors > Error 3300 - 3349

[MSDN Library September 1992] Unrecognized Switches /Z1, /NOI with Old Version of Linker (18.6781609195402%)

Knowledge Base and Bug Lists > C/C++ KBase

[MSDN Library June 1998] Unrecognized Switches /Z1, /NOI with Old Version of Linker (18.0589946962003%)

MSDN Library Visual Studio 6.0 > Knowledge Base > Microsoft Programming Utilities