JetComp.exe is a legacy stand-alone utility designed to compact and repair corrupted Microsoft Jet databases (versions 3.x and 4.x), typically associated with older versions of Microsoft Access. Key Functions
Unlike the standard repair tools within Microsoft Access, JetComp.exe does not attempt to open and close the database before compacting it. This "brute-force" approach allows it to bypass certain errors that prevent Access from even touching a corrupted file. Where to Find a JetComp.exe Download jetcomp.exe download
If your Microsoft Access .mdb file is corrupted and the built-in "Compact and Repair" tool isn't working, JETCOMP.exe is your last line of defense. As of early 2026, finding an official download is tricky because Microsoft has removed the original direct links from many support pages. Where to Download JETCOMP.exe JetComp
.mdb file.database_repaired.mdb). Do not overwrite your original.Important: This tool is not needed for modern Access (.accdb) or recent Windows versions, which have built-in compact/repair features. Database to Compact: Browse to your corrupt
Alternative Tools: For modern .accdb files, the native Compact and Repair tool within Microsoft Access is the standard method. Key Features