MS Outlook 2003 error "Interface Not Registered"

Microsoft Word is selected as default email editor in Outlook 2003. When trying to send email "Interface Not Registered" error pops up.

To fix close all MS Office applications and register Ole32.dll by running:
Regsvr32.exe %Windir%\System32\Ole32.dll

Direct FTP access using Windows Explorer

ftp://username:This email address is being protected from spambots. You need JavaScript enabled to view it./

Windows XP

Opening .docx file in MS Word 2003 error: "there was an error opening the file"

"There was an error opening the file" error may occur if OLE32.dll file is not registered correctly.
To re-register open command prompt and execute - regsvr32 %SystemRoot%\system32\ole32.dll

Microsoft Word 2003 +
Microsoft Office 2007 Compatibility Pack

Outlook Auto-complete Suggestions

Outlook auto-complete suggestions cache is stored in <ProfileName>.NK2 file.
By default it is located in
"C:\Documents and Settings\username\Application Data\Microsoft\Outlook" (Windows XP)
(Windows Vista / 7).

To open or export .NK2 files use NK2View utility (More Info).

Outlook 2003
Outlook 2007


Subscribe to receive occasional updates on new posts.
Your email will not be used for any other purpose and you can unsubscribe at any time.
Please wait