Method 4: Remove Microsoft Office 2010 suites manually

Note You must be logged on to Windows with a user account that is a computer administrator to complete this method. If this is your personal computer, you are likely already logged on with an administrator account. If this is a computer that is part of a network, you might have to ask the system administrator for help. To verify that you are logged on to Windows with a user account that is a computer administrator, visit the following Microsoft knowledge base article:

How to determine your user account type in Windows

IMPORTANT - Information that you need to know before you remove Office 2010:

• To use the View or Tools menu in Windows 7 or Vista, you must press the ALT key first to display the menu bar.
• You will need to view hidden files and folders. To do this, follow these steps:
  1. Open Windows Explorer.
  2. On the Tools menu, click Folder Options. In Windows 7 or Vista, press the ALT key to display the menu bar.
  3. Click the View tab.
  4. In the Advanced settings pane, under Hidden files and folders, click Show hidden files and folders.
  5. Clear Hide extensions for known file types.
  6. Click OK, and then close the windows.

Step 1: Remove any remaining Windows Installer packages of the 2010 Microsoft Office system.

1. Click Start.
2. Click All Programs, and then open the Accessories folder (skip this step in Windows XP).
3. Click Run, and then click in the Open box.
4. Type installer, and then click OK.
   This opens the %windir%\Installer folder.
   
5. On the View menu, click Choose Details.
6. Click to select the Subject check box, type 340 in the Width of selected column (in pixels) box, and then click OK.
   Note It may take several minutes for the subjects to appear next to each MSI file.
   
7. On the View menu, point to Sort By in Windows 7 or Vista, or point to Arrange icons by in Windows XP, and then click Subject.
8. If a User Account Control dialog box appears, click Allow to continue.
9. Locate each .MSI file where the subject is "Microsoft Office 2010," right-click the MSI file, and then click Uninstall.
   Note is a placeholder for the name of the 2010 Microsoft Office product.

Step 2: Stop the Office Source Engine service.

1. Click Start.
2. Click All Programs, and then open the Accessories folder (skip this step in Windows XP).
3. Click Run, and then click in the Open box.
4. Type services.msc, and then click OK.
5. In the Services window, determine whether the Office Source Engine service is running ("Started" will appear in the Status column). If this service is running, right-clickOffice Source Engine, and then click Stop.
6. Close the Services window.

Step 3: Remove any remaining 2010 Microsoft Office installation folders.

1. Click Start.
2. Click All Programs, and then open the Accessories folder (skip this step in Windows XP).
3. Click Run, and then click in the Open box.
4. Type %CommonProgramFiles%\Microsoft Shared, and then click OK.
   Note On a computer that is running a 64-bit version of Windows 7 or Vista, type %CommonProgramFiles(x86)%\Microsoft Shared, and then click OK.
   
5. If the following folders are present, delete them:
   • Office14
   • Source Engine
6. Click Start.
7. Click All Programs, and then open the Accessories folder (skip this step in Windows XP).
8. Click Run, and then click in the Open box.
9. Type %ProgramFiles%\Microsoft Office, and then click OK.
   Note On a computer that is running a 64-bit version of Windows 7 or Vista, type %ProgramFiles(x86)%\Microsoft Office, and then click OK.
   
10. Delete the Office14 folder.
11. On the root folder of each hard disk drive, locate and then open the MSOCache folder. If you cannot see this folder, follow these steps:
    1. Open Windows Explorer, and then on the Tools menu, click Folder Options.
    2. Click the View tab.
    3. In the Advanced settings pane, under Hidden files and folders, click Show hidden files and folders.
    4. Clear the Hide protected operating system files check box, and then click OK.
12. Open the All Users folder in the MSOCache folder, and then delete every folder that contains 0FF1CE}- text in the folder name.
    Note This text contains a zero and a one for the letters "O" and "I."
    Example {90140000-001B-0409-0000-0000000FF1CE}-C

Step 4: Remove any remaining 2010 Microsoft Office installation files.

1. Click Start.
2. Click All Programs, and then open the Accessories folder (skip this step in Windows XP).
3. Click Run, and then click in the Open box.
4. Type %appdata%\microsoft\templates, and then click OK.
5. Delete the following files:
   • Normal.dotm
   • Normalemail.dotm
6. Click Start.
7. Click All Programs, and then open the Accessories folder (skip this step in Windows XP).
8. Click Run, and then click in the Open box.
9. Type %appdata%\microsoft\document building blocks, and then click OK.
10. Open the subfolder found in the Document Building Blocks folder.
    Note The subfolder title will be a four-digit number that represent the language of the Microsoft Office suite.
    
11. Delete the building blocks.dotx file.
12. Close all programs before you follow the rest of the steps.
13. Click Start.
14. Click All Programs, and then open the Accessories folder (skip this step in Windows XP).
15. Click Run, and then click in the Open box.
16. Type %temp%, and then click OK.
17. On the Edit menu, click Select All.
18. On the File menu, click Delete.
19. Click Start.
20. Click All Programs, and then open the Accessories folder (skip this step in Windows XP).
21. Click Run, and then click in the Open box.
22. Type %AllUsersprofile%\Application Data\Microsoft\Office\Data, and then click OK.
23. Delete the opa14.dat file (and ONLY this file).

Step 5: Remove the registry subkeys of the 2010 Microsoft Office system.

Warning Serious problems might occur if you modify the registry incorrectly by using Registry Editor or by using another method. These problems might require that you reinstall the operating system. Microsoft cannot guarantee that these problems can be solved. Modify the registry at your own risk.

Important This article contains information about how to modify the registry. Make sure that you back up the registry before you modify it. Make sure that you know how to restore the registry if a problem occurs. For more information about how to back up, restore, and modify the registry, click the following article number to view the article in the Microsoft Knowledge Base:

322756  How to back up and restore the registry in Windows

Locate and then delete the Office 2010 registry subkeys if they are present. To do this, follow these steps:

1. Click Start.
2. Click All Programs, and then open the Accessories folder (skip this step in Windows XP).
3. Click Run, and then click in the Open box.
4. Type regedit, and then click OK.
5. Click the following registry subkey:
   
   HKEY_CURRENT_USER\Software\Microsoft\Office\14.0
6. On the File menu, click Export, type DeletedKey01, and then click Save.
7. On the Edit menu, click Delete, and then click Yes to confirm.
8. Repeat these steps (1 through 7) for each registry subkey in the following list. Change the name of the exported key by one for each subkey.
   Example Type DeletedKey02 for the second key, type DeletedKey03 for the third key, and so on.

Note In the following registry keys, the asterisk character (*) represents one or more characters in the subkey name.

32-bit versions of Microsoft Windows

• HKEY_CURRENT_USER\Software\Microsoft\Office\14.0
• HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\14.0
• HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\Delivery\SourceEngine\Downloads\*0FF1CE}-*
• HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\*0FF1CE*
• HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\Upgrade Codes\*F01FEC
• HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\*F01FEC
• HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\ose
• HKEY_CLASSES_ROOT\Installer\Features\*F01FEC
• HKEY_CLASSES_ROOT\Installer\Products\*F01FEC
• HKEY_CLASSES_ROOT\Installer\UpgradeCodes\*F01FEC
• HKEY_CLASSES_ROOT\Installer\Win32Assemblies\*Office14*

64-bit versions of Microsoft Windows

• HKEY_CURRENT_USER\Software\Microsoft\Office\14.0
• HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Office\14.0
• HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Office\Delivery\SourceEngine\Downloads\*0FF1CE}-*
• HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\*0FF1CE*
• HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Installer\UpgradeCodes\*F01FEC
• HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\*F01FEC
• HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\ose
• HKEY_CLASSES_ROOT\Installer\Features\*F01FEC
• HKEY_CLASSES_ROOT\Installer\Products\*F01FEC
• HKEY_CLASSES_ROOT\Installer\UpgradeCodes\*F01FEC
• HKEY_CLASSES_ROOT\Installer\Win32Asemblies\*Office14*

Continue with these registry subkeys:

1. Locate the following registry subkey:
   
   32-bit: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall
   64-bit: HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall
   
2. On the File menu, click Export, type UninstallKey01, and then click Save.
3. Under the Uninstall subkey that you located in step 1, click each subkey, and then determine whether the subkey has the following value assigned to it:
   • Name: UninstallString
   • Data: file_name path\Office Setup Controller\Setup.exe path
     
     Note In this example, file_name is a placeholder for the anme of an installation program, and path is a placeholder for the file path.
4. If the subkey contains the name and the data that are described in step 3, click Delete on the Edit menu. Otherwise, go to step 5.
5. Repeat steps 3 and 4 until you locate and then delete every subkey that matches the name and the data that are described in step 3.
6. Close Registry Editor.

Step 6: Restart the computer:

Restart the computer. If the removal was successful, you are finished and can now reinstall Microsoft Office if you want. If the removal was not successful, go to the "References" section in this article.