# XOPEN Command [GstarCAD 2022](Help%20System/GSTARCAD/2022/Index.md) → [Commands](Help%20System/GSTARCAD/2022/Commands/(Commands).md) → [X](Help%20System/GSTARCAD/2022/Commands/X/(X).md) ## Function Description: This command is used to open selected drawing reference (external reference) in new window. ## Command Access: > **Icon:** / > **Menu:** Tools \> Xref and Block > In-place Editing \> Open Reference > **Ribbon:** / > **Toolbar:** / > **Command:** XOPEN > **Alias:** / ## Command Prompts: Select Xref: