safe file


Microsoft Jet Exchange Isam

Run a FREE scan to FIX all msexch40.dll related issues!

msexch40.dll. What is it?

The msexch40.dll is a Microsoft Jet Exchange Isam.

This file is part of Microsoft (R) Jet. Msexch40.dll is developed by Microsoft Corporation. It’s a system and hidden file. Msexch40.dll is usually located in the %SYSTEM% sub-folder and its usual size is 512,029 bytes.


The msexch40.dll process is safe and disabling it can be dangerous, because programs on your computer need it to work correctly.

We also recommend optimizing your computer.

Computer Speed Up

Select your operating system

General Information

Security risk: Free spyware & virus scanRegistry Errors: Free scan (run Registry Cleaner)Uninstallation: N/A Uninstall (run Unistall Manager)Disk & Memory Usage: N/A Free scan (run Task Manager)


Author: Microsoft CorporationProcess: Microsoft Jet Exchange IsamPart Of: Microsoft (R) JetCommon path(s): subfolder in %SYSTEM%
subfolder in %WINDOWS%
Keywords(s): systemFilesize(s): 512,029 bytes, 518,944 bytes, 409,600 bytes, 413,696 bytes

User opinions

Add your comment

No comments found

Add your comment
Your name:
Your rating:
unrated file
Characters Type the characters you see in the picture:
Show another picture

Scan Your Computer Now