Download Cdo.dll for Windows 10, 8.1, 8, 7, Vista and XP

Cdo.dll download. The Cdo.dll file is a dynamic link library for Windows 10, 8.1, 8, 7, Vista and XP. You can fix "The file Cdo.dll is missing." and "Cdo.dll not found." errors by downloading and installing this file from our site.
Download Price:
Free
Dll Description:
Collaboration Data Objects 1.21 for Windows NT
Versions:
Size:
0.73 MB
Operating Systems:
Directory:
C
Downloads:
5470 times.

What is Cdo.dll? What Does It Do?

The Cdo.dll library is 0.73 MB. The download links for this library are clean and no user has given any negative feedback. From the time it was offered for download, it has been downloaded 5470 times and it has received 5.0 out of 5 stars.

Operating Systems Compatible with the Cdo.dll Library

Other Versions of the Cdo.dll Library

The latest version of the Cdo.dll library is 6.5.7888.0 version. Before this, there were 3 versions released. All versions released up till now are listed below from newest to oldest

  1. 6.5.7888.0 - 32 Bit (x86) Download directly this version now
  2. 6.5.7654.2 - 32 Bit (x86) Download directly this version now
  3. 6.5.7638.2 - 32 Bit (x86) (2012-07-31) Download directly this version now
  4. 6.5.7638.2 - 32 Bit (x86) Download directly this version now

How to Download Cdo.dll

  1. First, click the "Download" button with the green background (The button marked in the picture).
    Download the Cdo.dll library
    Step 1:Download the Cdo.dll library
  2. The downloading page will open after clicking the Download button. After the page opens, in order to download the Cdo.dll library the best server will be found and the download process will begin within a few seconds. In the meantime, you shouldn't close the page.

Methods to Fix the Cdo.dll Errors

ATTENTION! Before continuing on to install the Cdo.dll library, you need to download the library. If you have not downloaded it yet, download it before continuing on to the installation steps. If you are having a problem while downloading the library, you can browse the download guide a few lines above.

Method 1: Copying the Cdo.dll Library to the Windows System Directory

  1. The file you will download is a compressed file with the ".zip" extension. You cannot directly install the ".zip" file. Because of this, first, double-click this file and open the file. You will see the library named "Cdo.dll" in the window that opens. Drag this library to the desktop with the left mouse button. This is the library you need.
    Extracting the Cdo.dll library from the .zip file
    Step 1:Extracting the Cdo.dll library from the .zip file
  2. Copy the "Cdo.dll" library you extracted and paste it into the "C:\Windows\System32" directory.
    Copying the Cdo.dll library into the Windows/System32 directory
    Step 2:Copying the Cdo.dll library into the Windows/System32 directory
  3. If your operating system has a 64 Bit architecture, copy the "Cdo.dll" library and paste it also into the "C:\Windows\sysWOW64" directory.
    NOTE! On 64 Bit systems, the dynamic link library must be in both the "sysWOW64" directory as well as the "System32" directory. In other words, you must copy the "Cdo.dll" library into both directories.
    Pasting the Cdo.dll library into the Windows/sysWOW64 directory
    Step 3:Pasting the Cdo.dll library into the Windows/sysWOW64 directory
  4. First, we must run the Windows Command Prompt as an administrator.
    NOTE! We ran the Command Prompt on Windows 10. If you are using Windows 8.1, Windows 8, Windows 7, Windows Vista or Windows XP, you can use the same methods to run the Command Prompt as an administrator.
    1. Open the Start Menu and type in "cmd", but don't press Enter. Doing this, you will have run a search of your computer through the Start Menu. In other words, typing in "cmd" we did a search for the Command Prompt.
    2. When you see the "Command Prompt" option among the search results, push the "CTRL" + "SHIFT" + "ENTER
    3. " keys on your keyboard.
    4. A verification window will pop up asking, "Do you want to run the Command Prompt as with administrative permission?" Approve this action by saying, "Yes".
    Running the Command Prompt with administrative permission
    Step 4:Running the Command Prompt with administrative permission
  5. Paste the command below into the Command Line window that opens up and press Enter key. This command will delete the problematic registry of the Cdo.dll library (Nothing will happen to the library we pasted in the System32 directory, it just deletes the registry from the Windows Registry Editor. The library we pasted in the System32 directory will not be damaged).
    %windir%\System32\regsvr32.exe /u Cdo.dll
    Cleaning the problematic registry of the Cdo.dll library from the Windows Registry Editor
    Step 5:Cleaning the problematic registry of the Cdo.dll library from the Windows Registry Editor
  6. If you are using a 64 Bit operating system, after doing the commands above, you also need to run the command below. With this command, we will also delete the Cdo.dll library's damaged registry for 64 Bit (The deleting process will be only for the registries in Regedit. In other words, the dll file you pasted into the SysWoW64 folder will not be damaged at all).
    %windir%\SysWoW64\regsvr32.exe /u Cdo.dll
    Uninstalling the damaged Cdo.dll library's registry from the system (for 64 Bit)
    Step 6:Uninstalling the damaged Cdo.dll library's registry from the system (for 64 Bit)
  7. We need to make a clean registry for the dll library's registry that we deleted from Regedit (Windows Registry Editor). In order to accomplish this, copy and paste the command below into the Command Line and press Enter key.
    %windir%\System32\regsvr32.exe /i Cdo.dll
    Making a clean registry for the Cdo.dll library in Regedit (Windows Registry Editor)
    Step 7:Making a clean registry for the Cdo.dll library in Regedit (Windows Registry Editor)
  8. If you are using a Windows with 64 Bit architecture, after running the previous command, you need to run the command below. By running this command, we will have created a clean registry for the Cdo.dll library (We deleted the damaged registry with the previous command).
    %windir%\SysWoW64\regsvr32.exe /i Cdo.dll
    Creating a clean registry for the Cdo.dll library (for 64 Bit)
    Step 8:Creating a clean registry for the Cdo.dll library (for 64 Bit)
  9. If you did the processes in full, the installation should have finished successfully. If you received an error from the command line, you don't need to be anxious. Even if the Cdo.dll library was installed successfully, you can still receive error messages like these due to some incompatibilities. In order to test whether your dll issue was fixed or not, try running the program giving the error message again. If the error is continuing, try the 2nd Method to fix this issue.

Method 2: Copying the Cdo.dll Library to the Program Installation Directory

  1. First, you must find the installation directory of the program (the program giving the dll error) you are going to install the dynamic link library to. In order to find this directory, "Right-Click > Properties" on the program's shortcut.
    Opening the program's shortcut properties window
    Step 1:Opening the program's shortcut properties window
  2. Open the program installation directory by clicking the Open File Location button in the "Properties" window that comes up.
    Finding the program's installation directory
    Step 2:Finding the program's installation directory
  3. Copy the Cdo.dll library into the directory we opened.
    Copying the Cdo.dll library into the installation directory of the program.
    Step 3:Copying the Cdo.dll library into the installation directory of the program.
  4. The installation is complete. Run the program that is giving you the error. If the error is continuing, you may benefit from trying the 3rd Method as an alternative.

Method 3: Doing a Clean Install of the program That Is Giving the Cdo.dll Error

  1. Open the Run tool by pushing the "Windows" + "R" keys found on your keyboard. Type the command below into the "Open" field of the Run window that opens up and press Enter. This command will open the "Programs and Features" tool.
    appwiz.cpl
    Opening the Programs and Features tool with the appwiz.cpl command
    Step 1:Opening the Programs and Features tool with the appwiz.cpl command
  2. The Programs and Features screen will come up. You can see all the programs installed on your computer in the list on this screen. Find the program giving you the dll error in the list and right-click it. Click the "Uninstall" item in the right-click menu that appears and begin the uninstall process.
    Starting the uninstall process for the program that is giving the error
    Step 2:Starting the uninstall process for the program that is giving the error
  3. A window will open up asking whether to confirm or deny the uninstall process for the program. Confirm the process and wait for the uninstall process to finish. Restart your computer after the program has been uninstalled from your computer.
    Confirming the removal of the program
    Step 3:Confirming the removal of the program
  4. After restarting your computer, reinstall the program that was giving the error.
  5. This process may help the dll problem you are experiencing. If you are continuing to get the same dll error, the problem is most likely with Windows. In order to fix dll problems relating to Windows, complete the 4th Method and 5th Method.

Method 4: Fixing the Cdo.dll error with the Windows System File Checker

  1. First, we must run the Windows Command Prompt as an administrator.
    NOTE! We ran the Command Prompt on Windows 10. If you are using Windows 8.1, Windows 8, Windows 7, Windows Vista or Windows XP, you can use the same methods to run the Command Prompt as an administrator.
    1. Open the Start Menu and type in "cmd", but don't press Enter. Doing this, you will have run a search of your computer through the Start Menu. In other words, typing in "cmd" we did a search for the Command Prompt.
    2. When you see the "Command Prompt" option among the search results, push the "CTRL" + "SHIFT" + "ENTER
    3. " keys on your keyboard.
    4. A verification window will pop up asking, "Do you want to run the Command Prompt as with administrative permission?" Approve this action by saying, "Yes".
    Running the Command Prompt with administrative permission
    Step 1:Running the Command Prompt with administrative permission
  2. Paste the command below into the Command Line that opens up and hit the Enter key.
    sfc /scannow
    Scanning and fixing system errors with the sfc /scannow command
    Step 2:Scanning and fixing system errors with the sfc /scannow command
  3. This process can take some time. You can follow its progress from the screen. Wait for it to finish and after it is finished try to run the program that was giving the dll error again.

Method 5: Fixing the Cdo.dll Error by Manually Updating Windows

Some programs need updated dynamic link libraries. When your operating system is not updated, it cannot fulfill this need. In some situations, updating your operating system can solve the dll errors you are experiencing.

In order to check the update status of your operating system and, if available, to install the latest update packs, we need to begin this process manually.

Depending on which Windows version you use, manual update processes are different. Because of this, we have prepared a special article for each Windows version. You can get our articles relating to the manual update of the Windows version you use from the links below.

Explanations on Updating Windows Manually

  1. Explanation on Updating Windows 10 Manually
  2. Explanation on Updating Windows 8.1 and Windows 8 Manually
  3. Explanation on Updating Windows 7 and Windows Vista Manually
  4. Explanation on Updating Windows XP Manually

Common Cdo.dll Errors

If the Cdo.dll library is missing or the program using this library has not been installed correctly, you can get errors related to the Cdo.dll library. Dynamic link libraries being missing can sometimes cause basic Windows programs to also give errors. You can even receive an error when Windows is loading. You can find the error messages that are caused by the Cdo.dll library.

If you don't know how to install the Cdo.dll library you will download from our site, you can browse the methods above. Above we explained all the processes you can do to fix the dll error you are receiving. If the error is continuing after you have completed all these methods, please use the comment form at the bottom of the page to contact us. Our editor will respond to your comment shortly.

  1. "Cdo.dll not found." error
  2. "The file Cdo.dll is missing." error
  3. "Cdo.dll access violation." error
  4. "Cannot register Cdo.dll." error
  5. "Cannot find Cdo.dll." error
  6. "This application failed to start because Cdo.dll was not found. Re-installing the application may fix this problem." error