. This is critical because severe corruption often prevents Access from opening the file at all, causing standard repair methods to fail. Key capabilities include: Corruption Recovery

, officially known as the Microsoft Jet Compact Utility , is a specialized tool designed to compact and repair databases created with the Microsoft Jet database engine (versions 3.x and 4.x).

Unlike the standard repair tool inside Access, JetComp doesn't attempt to open the database first. This is a huge advantage—if a database is so corrupt that Access can't even open it to start a repair, JetComp can often still process the file. Where to Download JetComp.exe

The utility is lightweight and does not require a formal installation—it is a standalone executable. Is Jetcomp.exe retired for mdb? - Microsoft Q&A

: Point the "Source" to your corrupted file and specify a "Destination" for the repaired version.