Article ID: 256118 - View products that this article applies to.
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When you try to access a custom form in Outlook, you may receive the following error message:
Unable to display the dialog box. No pages in the property sheet due to low memory. Close some windows or programs.
You receive this error message because the correct add-in from the Add-In Manager is either not installed or not enabled.
To access the Custom Forms property page, install or enable the Exchange Extensions property pages.
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