Download mso9.dll below to solve your dll problem. We currently have 1 version available for this file.
If you have other versions of this file, please contribute to the community by uploading that dll file.

mso9.dll, File description: Microsoft Office 2000 component

Errors related to mso9.dll can arise for a few different different reasons. For instance, a faulty application, mso9.dll has been deleted or misplaced, corrupted by malicious software present on your PC or a damaged Windows registry.

The most commonly occurring error messages are:

  • The program can't start because mso9.dll is missing from your computer. Try reinstalling the program to fix this problem.
  • There was a problem starting mso9.dll. The specified module could not be found.
  • Error loading mso9.dll. The specified module could not be found.
  • The code execution cannot proceed because mso9.dll was not found. Reinstalling the program may fix this problem.
  • mso9.dll is either not designed to run on Windows or it contains an error. Try installing the program again using the original installation media or contact your system administrator or the software vender for support.

In the vast majority of cases, the solution is to properly reinstall mso9.dll on your PC, to the Windows system folder. Alternatively, some programs, notably PC games, require that the DLL file is placed in the game/application installation folder.

For detailed installation instructions, see our FAQ.




File size





5.34 MB


Microsoft Corporation

Microsoft Office 2000 component

MD5: f58e77a772bcbc204a2a5276ae7bbcb3
SHA-1: a7486c8e0dc4315e3435a40fe3ada45fe1d917a8
Zip file size: 3 MB

Do you need more help solving your mso9.dll problem?

Do you have information that we do not?
Did our advice help or did we miss something?
Our Forum is where you can get help from both qualified tech specialists and the community at large. Sign up, post your questions, and get updates straight to your inbox.