OL2000: Error Message "The custom form could not be opened. Outlook will use an Outlook form instead."

This article was previously published under Q223481
This article has been archived. It is offered "as is" and will no longer be updated.
You may get the error message below when attempting one of the following actions:

You attempt to print a meeting request message.You attempt to open an encrypted message.You attempt to synchronize a PalmPilot to a desktop computer.
The custom form could not be opened. Outlook will use an Outlook form instead.
NOTE: Microsoft Office 2000 has built-in functionality that allows you to get more information about difficult-to-troubleshoot alerts or error messages. If you want to enable this functionality for this and other error messages in Microsoft Office 2000, please download the Microsoft Office 2000 Customizable Alerts file from the Microsoft Office Update Web site at the following address:NOTE: If you reached this article by clicking the Web Info button in an error message, you already have Customizable Alerts enabled.
Things to Try

When Printing a Meeting Request Message

Open the message in Outlook before printing, or ignore the warning messageand the item will print anyway.

When Opening an Encrypted Message

If you downgraded from Microsoft Internet Explorer version 5.0 to an earlier version, some necessary elements of Outlook Express may have been removed from your computer.

To correct this problem, follow these steps:
  1. Click Start, point to Settings, and click Control Panel.
  2. In Control Panel, click Add/Remove Programs.
  3. Click to select Microsoft Office 2000, and then click Add/Remove.
  4. When prompted, click Repair Office.

When Synchronizing a PalmPilot

Either the appointment is corrupted, or there is a time conflict with a recurring appointment. Recreate the corrupted appointment or resolve the time conflict, and then try to complete the synchronization.

More information
For additional information about causes, and a fix for this behavior, click the article number below to view the article in the Microsoft Knowledge Base:
251415 Custom Form Produces Error Message and Does Not Load

Article ID: 223481 - Last Review: 11/02/2013 20:28:00 - Revision: 5.0

Microsoft Outlook 2000 Standard Edition

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