Type the following command and press Enter: jetcomp.exe -defrag source.mdb target.mdb Example: jetcomp.exe -defrag corrupt.mdb fixed.mdb

: Because the official Microsoft Download Center links are often broken, many users rely on mirrors. However, you should always scan these files for malware before running them. Reliable mirrors are often hosted by community sites like GigaTrak or The Access Web . How to Use JetComp.exe for Database Repair

Fix structural errors like missing indexes or invalid pointers.

What Is Jetcomp.exe, and How Do You Download and Use It safely?

Complete Guide to JETCOMP.exe Download, Compact, and Repair is a standalone utility from Microsoft used to compact and recover corrupted databases created with the Microsoft Jet database engine. If your classic Microsoft Access databases ( .mdb ) are bloated or refusing to open, this tool can often save your data when other methods fail. What is JETCOMP.exe?

If the tool asks for a password, you will need to enter the database password at the prompt. Troubleshooting & FAQ

: Click the ellipsis (...) button to choose a save location and a new name for the repaired file.