Jetcomp.exe ((new)) Download
The is a legacy Microsoft tool designed to compact and repair Microsoft Jet (Access) database files (.mdb). It is particularly effective because it does not attempt to open the database before compacting, allowing it to recover files that the standard Access "Compact and Repair" tool might fail to fix. 1. Download Jetcomp.exe
The Jetcomp.exe file is a vital tool for database administrators and developers who work with Microsoft Access databases. It helps to ensure that databases are optimized for performance, and any issues or errors are resolved quickly.
| | Details | |---|---| | File Type Restriction | JetComp.exe works only with .mdb files created with Jet 3.x or 4.x engines. It does not support newer .accdb format (Access 2007 and later) | | Corruption Severity | The utility can only recover minor corruptions . Severe database corruption may remain beyond its capabilities | | Version Compatibility | JetComp.exe is compatible with Access 2010 and earlier versions. Newer Access versions may not recognize the compacted output | | Risk Factor | Incorrect implementation of instructions may cause additional damage to the database | | Error Vulnerabilities | Running JetComp 4.0 may occasionally throw an error message: "Error Compacting database" | | UI Language | The user interface is in English only, though it can process databases in any language | | No Microsoft Support | Microsoft Product Support Services does not support this utility |
Historically, the tool was available via Microsoft Knowledge Base Article 273956. While the link below shows a record of the download center, the file itself is often difficult to find on the modern Microsoft website .
If you manage legacy Microsoft Access databases, you will eventually encounter file corruption. Databases expand in size and suffer from performance drops as data is added and deleted. jetcomp.exe download
Always scan any .exe downloaded from third-party sites with updated antivirus software to ensure the file has not been tampered with. How to Use JetComp.exe to Repair a Database
It can often fix databases that the standard Access utility fails to repair because it bypasses the initial "open" check.
If your legacy .mdb application crashes, throws unspecified runtime errors, or refuses to open even when using the standard native Compact and Repair tool inside Microsoft Access, you need to deploy the Jet Compact Utility ( JETCOMP.exe ).
: You can sometimes find the file within legacy service packs like Jet 3.5 Service Pack 3 . The is a legacy Microsoft tool designed to
: If the tool won't start, you may need updated system files like msjet40.dll . These are often included in Jet 4.0 Service Packs .
jetcomp -src C:\Data\CorruptDatabase.mdb -dest C:\Data\FixedDatabase.mdb Use code with caution. Troubleshooting & Best Practices
Note: The /secure switch allows the utility to attempt to repair databases that are heavily damaged. Troubleshooting & Alternatives
is a standalone command-line utility created by Microsoft designed to compact and repair databases created with the Microsoft Jet database engine (versions 3.x and 4.x). Download Jetcomp
Click the browser button (three dots) and select your corrupted .mdb file.
: Point the "Source" to your corrupted file and specify a "Destination" for the repaired version.
jetcomp.exe /s C:\Source\Database.mdb /t C:\Target\Database.mdb /sync
Once you have secured your download, follow these steps to repair your database: