# Links Dialog Box [GstarCAD 2027](Help%20System/GSTARCAD/2027/Index.md) → [Commands](Help%20System/GSTARCAD/2027/Commands/(Commands).md) → [O](Help%20System/GSTARCAD/2027/Commands/O/(O).md) **Function Description:** Lists and modifies linked files and objects.  **Dialog Box Options:** ## **Links** Displays the information about linked objects in a list. The information listed depends on the type of the link. Selects the object to change information for this linked object. ## **Source** Displays the path name of the source file and the type of object. ## **Type** Displays the format type of the link. ## **Update Automatic** Updates the link automatically whenever the source changes. ## **Update Manual** Prompts you to update a link when you open the document. ## **Cancel** Cancels the current operation and closes the Links dialog box. ## **Update Now** Updates the selected links. ## **Open Source** Opens the source file and highlights the part linked to the drawing. ## **Change Source** Displays the Change Source dialog box where you can specify a different source file. ## **Break Link** Breaks the link between the object and the source file. The object in your drawing is changed to WMF (Windows metafile format). It is not affected by future changes to the original file. --- [Original help](https://www.gstarcad.net/help/GstarCAD_2027_en-US/detail/commandReferences_O/OLELINKS_DIA.html) · © Gstarsoft Co., Ltd.