Features are saved as library feature parts. To copy features, drag from either the FeatureManager design tree or the graphics area.Annotations are saved with the extensions for favorites. Check that your account has write permissions. To copy annotations or blocks into the Design Library, hold down Shift and drag from the graphics area to the lower pane. In this case, you need to check the access rights to the Toolbox directory (by default C: \ Solidworks Data can be viewed in the Toolbox settings) To do this, right-click on the Toolbox-Properties - Security tab.To copy a complete assembly or part into the Design Library, select it in the FeatureManager design tree and drag to the lower pane.You can add multiple selections of features and sketches, but only one item at a time for other categories.When you drag items into the Design Library, the Add to Library PropertyManager appears with a default file name, the default file type, and the selected folder for the Design Library folder. Microsoft Internet Explorer and Windows Explorer into the Design Library.One folder to another in the Design Library.The graphics area into the lower pane of the Design Library.The Design Library into the graphics area.You can drag copies of parts, assemblies, features, annotations, and so on from: