The tab lists the file extensions for which CADEditorX can be used as a default program.
Associate file extensions with CADEditorX: if any extension in the list is checked then all files with this extension will be opened in CADEditorX by default.
You may press the Vector Files Only button and as a result only Vector files will be checked. If you press Select All all the extensions will be checked. The button Clear All will uncheck everything.
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URL of this topic:
https://it.cadsofttools.com/help/cadeditorx/index.html?tools_menu_options_associations.htm