Search notes:

Extensible Storage Engine

Extensible Storage Engine (ESE) is the (low-level) embeddable database engine] native to Windows.
ESE uses ISAM technology.
ESE was formerly known as JET blue.
ESE is used in a variaty of Microsoft products:

See also

esentutl.exe
links
Reference (for C programmers).
I found the necessary esent.h file under %UniversalCRTSdkDir%\Include\%UCRTVersion%\um (probably after installing the Windows SDK).
ManagedEsent provides managed access to esent.dll
Emmet Gray has the API declarations for Visual Basic for Applications.

Index