: Click the ellipsis (...) button to browse and select your corrupt .mdb file.
Unlike the built-in "Compact and Repair" feature within Microsoft Access, JETCOMP.exe has a unique capability: it can compact a database without opening it first
Steps to repair/compact a Jet (.mdb) file safely jetcomp.exe download
Unlike Microsoft Access, which requires you to open the database file to repair it, jetcomp.exe runs completely outside the Access environment. This allows it to recover severely damaged files that Access refuses to open. Key Capabilities
Microsoft has officially retired the original download page for Jetcomp.exe, making it difficult to find on modern official sites. : Click the ellipsis (
Reclaims unused space left behind by deleted records.
Prefer modern, supported alternatives:
A: Microsoft has quietly phased out the official download. No official retirement announcement has been made, but the link is no longer active as of 2025.
Jetcomp.exe is a command-line tool. It does not have a Graphical User Interface (GUI). Here is how to use it: No official retirement announcement has been made, but
: Always create a copy of your database before running the utility.