When you need the layers, you can insert the drawingВ using insert block command. But instead of saving all objects as a block in your drawing, youВ save the objects in a separate DWG file. The benefit of this method is you can remove unnecessary layers and styles. You can allow AutoCAD to purge the layers and styles, but you can easily add them later. More workaround to restore the standardsДЄnother way to keep your standard is to quickly add them to your drawing. It will be better to create this block in your drawing template so the block is ready when you create a new drawing. Now when you purge this drawing, your layers and styles will not be deleted. Freezing the layer will make the block disappear and will not plot. The last thing you need to do is to freeze the layer. So you probably want to give a name like вЂњDo not use вЂ“ for standard only.вЂќ Move the block you created before to this layer. Now create a layer.В YouВ use any name for this layer. Create a block and move it to a layerДЄfter you finish, create a block. Draw text, dimensions, multileader, and table with different styles. The image below is just an example, you will need to draw more lines if you have plenty of layers in your drawing.ДЄfter you draw everything you want to keep in your drawing. Similarly, create texts and dimensions for each style. Create some objects that use those layers and styles.Дraw some lines, each of them uses a layer that you want to keep. The trick to prevent AutoCAD removing those layers is by using them. AutoCAD will remove unused layers and styles. This is the most popular trick among AutoCAD users. Here are some tricks to keep your favorite layers in your drawing. So is there any way to lock the layers and styles and prevent AutoCAD from removing them? Unfortunately, there is no built-in feature in AutoCAD to do this. You want to remove unwantedВ layers and styles, but you want to keep your standards. You will not wantВ AutoCAD to remove them when you use PURGE command. When you work with AutoCAD, you probably have standard layers and styles in your template. Use Design Center to insert Layers and Styles.More workaround to restore the standards.Create some objects that use those layers and styles.

Delete block in autocad