Error message when you try to import or to export files in Outlook: "Microsoft Outlook cannot start the required translator"

SYMPTOMS
When you try to import or to export files in Microsoft Office Outlook 2003, you receive the following message:
Microsoft Office Outlook cannot start the required translator. This feature is not currently installed. Would you like to install it now?
Additionally, when you insert the Outlook 2003 CD-ROM or the Office 2003 CD-ROM, you may receive the following error message:

Error 1311. Source file not found C:/MSOCACHE/All Users

When you try to import or to export files in the 2007 Microsoft Office system, you may receive one of the following error messages:
Error 1334. The file '.SAM_1033' cannot be installed because the file cannot be found in cabinet file 'OutlkLR.CAB'. This could indicate a network error, an error reading from the CD-ROM, or a problem with this package.
The file ‘C:\MSOCache\All Users\{}\’ is not a valid installation package for the product () 2007. Try to find the installation package ‘OutlookMUI.msi’ in a folder from which you can install MUI () 2007.
Error 1706. Setup cannot find the required files. Check your connection to the network, or CD-ROM drive. For other potential solutions to this problem, see C:\DOCUME~1\\LOCALS~1\Temp\Setup0000043c\SETUP.CHM.


CAUSE
This issue occurs if certain translator files or certain database converters are not available because they were not installed during Setup. Converters in Outlook are installed on demand. Additionally, the local install source folder (Msocache) may be damaged or missing.

This issue also applies to third-party personal information management (PIM) files and to file types that use Open Database Connectivity (ODBC).

RESOLUTION
To resolve this issue, use one of the following methods, as appropriate for the version of Outlook that you are running.

Outlook 2003
Click Yes when you receive the message that is mentioned in the "Symptoms" section of this article. After you click Yes, Microsoft Windows Installer starts and then installs the database converters and translator files for the file that you want to import or to export.

If this resolution does not resolve the issue, run the Microsoft Office Setup program and install the filters directly. To do this, follow these steps:
1. Exit Outlook 2003.
2. Remove the Msocache folder. For more information about how to remove the Msocache folder, click the following article number to view the article in the Microsoft Knowledge Base:
825933 Local Install Source (Msocache)
3. Click Start, and then click Control Panel.
4. Click Add or Remove Programs.
5. In the Currently installed programs list, click Microsoft Office 2003, and then click Change.
6. In the Microsoft Office 2003 Setup dialog box, click Add or Remove Features under the Maintenance Mode Options area, and then click Next.
7. Under the Custom Setup area, click to select the Choose advanced customization of applications check box, and then click Next.
8. Under the Choose update options for applications and tools area, expand Microsoft Office Outlook.
9. Click the down arrow next to Importers and Exporters, and then click either the Run from My Computer option or the Run all from My Computer option.
10. In the Microsoft Office 2003 Setup dialog box, click Update.


Microsoft Office Outlook 2007
Insert the CD or DVD media when you are prompted. If you installed Outlook 2007 from a network share, make sure that the share is accessible from your workstation.

After you provide the setup files, the setup process will complete successfully. Additionally, any missing or corrupted files in the \MSOCache folder will be replaced.

If the same error occurs in the future, delete the \MSOCache folder, and then run the Online Microsoft Outlook setup 2007 process again. When run Setup again, make sure that you select the Repair option in the Change your installation window.

MORE INFORMATION

PIM formats
The following PIM program data files can be imported to Outlook 2007:
• Microsoft Excel
• Microsoft Access
• Comma Separated Values (CSV) Windows
• Comma Separated Values (CSV) DOS
• Tab Separated Values (TSV) Windows
• Tab Separated Values (TSV) DOS
• ACT! 3.x, ACT! 4.0, and ACT! 2000
• Organizer 4.x and Organizer 5.x
• Personal Address Book
The following PIM program data files can be imported to Outlook 2003:
• Microsoft Excel
• Microsoft Access
• Comma Separated Values (CSV) Windows
• Comma Separated Values (CSV) DOS
• Tab Separated Values (TSV) Windows
• Tab Separated Values (TSV) DOS
• Schedule + 7.x and Schedule + SC2 ACT! 3.x,
• ACT! 3.x, ACT! 4.0, and ACT! 2000
• Organizer 4.x and Organizer 5.x
• Personal Address Book
The following PIM formats can be exported from Outlook 2007 and from Outlook 2003:
• Microsoft Excel
• Microsoft Access
• Comma Separated Values (CSV) Windows
• Comma Separated Values (CSV) DOS
• Tab Separated Values (TSV) Windows
• Tab Separated Values (TSV) DOS

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External link: http://support.microsoft.com/kb/829985/en-us?spid=2520&sid=312