http://www.zwsoft.com/forum/viewthread.php?tid=1869 hi Giovanna, You can make it by following steps: 1. run command LAYER to open layer properties manager. 2. select one layer, then press key CTRL+A to select all layers 3. choose one of the layer that is turn off, click its bulb, then all the layer that is turn off will be switch. <img src="uploads/20111101_211110_TurnOnAllLayers.jpg" border="0" />Jenny2011-11-01 21:12:01 Giovanna 2011-11-01 21:11:15 http://www.zwsoft.com/forum/viewthread.php?tid=1869&pid=14060 Jenny I found the comand LAYON, you must write it in the comand line Maybe it's usefull for you Giovanna 2011-12-30 09:01:07 http://www.zwsoft.com/forum/viewthread.php?tid=1869&pid=13928 I want to know if there is any tool that can I use to turn on all layer at the same time, we use a lot of leyer so it's very useful to us. Sorry about my english. Thanks Giovanna 2011-10-31 08:42:38