Download jetcu40.exe

Jet Compact Utility 4.0 is Microsoft's small Windows program for compacting a Microsoft Jet 4.0 database. Access 2000, 2002, and 2003 store those databases as .mdb files. Compacting rewrites the file and drops the empty space left by deleted records.

Close the database in Access first, then run jetcu40.exe and point it at the .mdb. The file on this page is 113,328 bytes and is the copy named jetcu40.exe.

The program identifies itself as Microsoft's Jet Compact Utility 4.0. Its Authenticode certificate is from the early 2000s, so current Windows may say the publisher is unknown even though the file is the Microsoft utility. Compare the SHA-256 below with the VirusTotal report before you run it.

VirusTotal report for this file

The scan record for the file on this page is the VirusTotal report for SHA-256 486b90736d5e1582fc847acdd1e8e1bbb5c29cdb695c0c51651fcf3a1bfdfd70. That report is tied to this exact file, not to the name jetcu40.exe in general.

Open the VirusTotal report

File hashes

SHA-256

486b90736d5e1582fc847acdd1e8e1bbb5c29cdb695c0c51651fcf3a1bfdfd70

SHA-1

9a451e2166cfea3d6f96dbcb016bf1fba32e8421

MD5

41b76741cdacd19fb7f817f18f0526d5