Sometimes Windows system displays error messages regarding corrupted or missing CDLMSO.DLL files. Situations like that can occur, for example, during a software installation process. Each software program requires certain resources, libraries, and source data to work properly. Corrupted or nonexistent CDLMSO.DLL file can therefore effect in failed execution of the started process.

CDLMSO.DLL file Microsoft CDL. The file was developed by for use with software. Here you will find detailed information about the file and instructions how to proceed in the event of CDLMSO.DLL related errors on your device. You can also download CDLMSO.DLL file compatible with Windows 10, Windows 7, Windows Vista, Windows XP, Windows 8 devices which will (most probably) allow you to solve the problem.

For Windows Compatible with: Windows 10, Windows 7, Windows Vista, Windows XP, Windows 8

File info

General information
File extension DLL
Description Microsoft CDL
Program Microsoft Office 2010
Author Microsoft Corporation
MIME type application/octet-stream
File type Dynamic link library
System Windows NT 32-bit
Copyrights © 2010 Microsoft Corporation. All rights reserved.
Character set Windows, Latin1
Language cod English (U.S.)

There are various types of errors related to CDLMSO.DLL file. CDLMSO.DLL file may be located in wrong file directory on your device, may not be present in the system, or may be infected with malicious software and therefore not work correctly. Below is a list of most common error messages related to CDLMSO.DLL file. If you encounter one listed below (or similar), please consider the following suggestions.

  • CDLMSO.DLL is corrupted
  • CDLMSO.DLL cannot be located
  • Runtime Error - CDLMSO.DLL
  • CDLMSO.DLL file error
  • CDLMSO.DLL file cannot be loaded. Module was not found
  • cannot register CDLMSO.DLL file:
  • CDLMSO.DLL file could not be loaded
  • CDLMSO.DLL file doesn't exist



Application could not be started because CDLMSO.DLL file is missing. Reinstall the application to solve the problem.


Problems related to CDLMSO.DLL can be addressed in various ways. Some methods are meant only for advanced users. If you don't have confidence in your skills, we suggest consulting a specialist. Fixing CDLMSO.DLL file errors should be approached with utmost caution for any mistakes can result in unstable or unproperly working system. If you have the necassary skills, please proceed.

CDLMSO.DLL file errors can be caused by various factors, so its is beneficial to try to fix them using various methods.

Step 1: Scan your computer for any malicious software

Virus Scan

Windows files are commonly attacked by malicious software that prevents them from working properly. First step in addressing problems with CDLMSO.DLL file or any other Windows system files should be scanning the system for malicious software using an antivirus tool.

If by any chance you don't have any antivirus software installed on your system yet, you should do it immediately. Unprotected system is not only a source of file errors, but, more importantly, makes your system vulnerable to many dangers. If you don't know which antivirus tool to choose, consult this Wikipedia article – comparison of antivirus software.

Step 2: Update your system and drivers.

Windows Update

Installing relevant Microsoft Windows patches and updates may solve your problems related to CDLMSO.DLL file. Use dedicated Windows tool to perform the update.

  1. Go to the Windows "Start" menu
  2. Type "Windows Update" in the search field
  3. Choose the appropriate software program (name may vary depending on your system version)
  4. Check if your system is up to date. If any unapplied updates are listed, install them immediately.
  5. After the update has been done,restart your computer in order to complete the process.

Beside updating the system, it is recommended that you install latest device drivers, as drivers can influence proper working of CDLMSO.DLL or other system files. In order to do so, go to your computer or device producer's website where you will find information regarding latest driver updates.

Step 3: Use System File Checker (SFC) tool

System File Checker

System File Checker is a Microsoft Windows tool. As the name suggests, the tool is used for identyfing and addressing system file related errors, including those related to CDLMSO.DLL file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the CDLMSO.DLL file with properly working version. To use the tool:

  1. Go to the Windows "Start" menu
  2. Type "cmd" in the search field
  3. Locate "Command Prompt" result – don't run it yet:
  4. Click the right mouse button and select "Run as Administrator" option
  5. Type "sfc /scannow" in console prompt to start the program and follow the instructions

Step 4: Restoring Windows system

Windows Recovery

Another approach is to restore system to previous state, before the CDLMSO.DLL file error occured. In order to restore your system, follow the instructions below

  1. Go to the Windows "Start" menu
  2. Type "System Restore" in the search field
  3. Start the system restore tool – it's name may differ depending on version of the system
  4. The application will guide you through the process – read the messages carefully
  5. After the process has finished, restart your computer.

If all the above-mentioned methods failed and the CDLMSO.DLL file problem has not been resolved, proceed to the next step. Remember that the following steps are intended only for advanced users.

Download and replace CDLMSO.DLL file

The last solution is to manually download and replace CDLMSO.DLL file in appropriate folder on the disk. Select file version compatible with your operating system and click the "Download" button. Next, go to your web browser's "Downloaded" folder and copy the downloaded CDLMSO.DLL file.

Go to the folder where the file should be located and paste the downloaded file. Below is the list of CDLMSO.DLL file example directory paths.

  • Windows 10: C:\Program Files\Microsoft Office\Office15\
  • Windows 7: C:\Program Files (x86)\Microsoft Office\Office14\
  • Windows Vista: C:\Program Files (x86)\Microsoft Office\Office12\
  • Windows XP: ---
  • Windows 8: ---

If the steps did not solve your CDLMSO.DLL file problem, you should consult a professional. A probability exists that the error(s) might be device-related and therefore should be resolved at the hardware level. A fresh operating system installation might be necessary – a faulty system installation process can result in data loss.

File versions list

System Windows 10
File size 395424 bytes
Date 2017-05-10
File details
MD5 80a868578c9b306ffbc749ce04fb74c1
SHA1 f53763a51588e9697759550a3deeac2bcb51cebc
SHA256 67bf5492f55f251df93549101ee7a0959f1730ec142d32ce8bc08b377c79156a
CRC32 b6699e7a
Example file location C:\Program Files\Microsoft Office\Office15\
System Windows 7
File size 397656 bytes
Date 2017-05-10
File details
MD5 7c64b58df67b84268b4b44e3f906119c
SHA1 1ca0927df2542e78cdd72c12c516a2d0d2ece84c
SHA256 16f49de79e6cecc77bdef2d5f7aa9de5f7251cf2a708b51f1ed60b9639e3a1ce
CRC32 739422d4
Example file location C:\Program Files (x86)\Microsoft Office\Office14\
System Windows Vista
File size 399640 bytes
Date 2017-05-10
File details
MD5 c0f99cd325c9aafacc04177fec642710
SHA1 ac96302850b61ab542d32b190f95a922d40098a5
SHA256 56e50343a56d5f67327b57af717c42367033f4eff8ab408d8019362df94f5907
CRC32 a478c20b
Example file location C:\Program Files (x86)\Microsoft Office\Office12\
System Windows XP
File size 350264 bytes
Date 2017-05-10
File details
MD5 699aed408746dd71f29d296dbd1e3d4a
SHA1 99dbf5b385d9ff888fece98952b53935b0e59cba
SHA256 f5a09325d2788ed6ef1cc24a1b3ecc477dd0d51fb395deafd33806a82810205e
CRC32 f73ef559
Example file location ---
System Windows 8
File size 395424 bytes
Date 2017-05-10
File details
MD5 80a868578c9b306ffbc749ce04fb74c1
SHA1 f53763a51588e9697759550a3deeac2bcb51cebc
SHA256 67bf5492f55f251df93549101ee7a0959f1730ec142d32ce8bc08b377c79156a
CRC32 b6699e7a
Example file location ---