How to add Custom Clipboard Format for a Citrix session

How to add Custom Clipboard Format for a Citrix session

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Article ID: CTX477491

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Description

This article will assist on how to add more registered custom Clipboard formats for a Citrix session. This is only applicable to those formats which are registered with the operating system. Citrix holds no responsibility in registering any new format (specific to an application) with the operating system. Please engage the application vendor for an application specific clipboard to be registered with the operating system.


Instructions

You can add more custom Clipboard formats by following the below steps on the VDA:
  • Go to the Path "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Citrix\wfshell\Virtual Clipboard\Additional Formats" (if its not present, add the 'Additional Formats' registry key)
  • Under the 'Additional Formats' registry key, create a subkey with the name of the format (e.g., MDLCT, etc.)
  • Under this subkey, create the below registry key:
    • Name: Name
    • Type: Reg_SZ
    • Value: (Name of the clipboard format, e.g., MDLCT, etc.)
  • Below is the screenshot with few additional clipboard formats:
image.png
  • Once all the required formats are added, restart the VDA machine

NOTE : The custom format name must match the format name which is registered with the system. Format names are case-sensitive.

Environment

Caution! Using Registry Editor incorrectly can cause serious problems that might require you to reinstall your operating system. Citrix cannot guarantee that problems resulting from the incorrect use of Registry Editor can be solved. Use Registry Editor at your own risk. Be sure to back up the registry before you edit it.

Additional Information

https://docs.citrix.com/en-us/citrix-virtual-apps-desktops/policies/reference/ica-policy-settings.html#client-clipboard-write-allowed-formats
https://learn.microsoft.com/en-us/windows/win32/dataxchg/clipboard-formats#registered-clipboard-formats