Article ID: 223488 - View products that this article applies to.
This article was previously published under Q223488
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ERROR MESSAGEWhen you attempt to open an Outlook form, you may receive one or all of the following error messages:
The form you selected could not be displayed.
The form you selected could not be displayed. There is not enough disk space to copy the form to your computer. Close some forms to increase the maximum space for forms using the option command on the tools menu. 
The form you selected could not be displayed. An error occurred while installing a form.
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.
This problem can be caused by insufficient temporary storage space allocated for the form.
You attempted to open a form on a Microsoft Exchange client computer that is running the Windows NT File System (NTFS) and restrictive permissions have been applied to the Winnt\Forms folder. This will only occur if the form has not previously been downloaded to, or purged from the forms folder.
You tried to open a form designed with the "Electronic Forms Designer Runtime" and the runtime is not installed.
WHAT TO TRY
Insufficient Temporary Storage SpaceTo increase the amount of temporary space available to Outlook forms, follow these steps:
(https://support.microsoft.com/kb/141339/EN-US/ )XCLN: Err Msg: Form You Selected Could Not be Displayed
Windows NT Folder Permissions for the \Winnt\Forms FolderChange the permissions on the \Winnt\Forms folder to include Change Permissions for all users who will be using Outlook on the Windows NT computer.
You can also change the permissions, compose the form (this will cause the file to be copied locally), and then reset the permissions.
NOTE: It is not recommended that you restrict access to the forms folder because you may receive the above error message again.
Electronic Forms Designer RuntimeThe "Electronic Forms Designer Runtime", installs the Vb40016.dll file. This file provides access to the Organizational forms used with Outlook. To install the Electronic Forms Designer Runtime, follow these steps:
(https://support.microsoft.com/kb/193622/EN-US/ )OL2000: ErrMsg: (CW) Cannot Find VB40016.dll