Sorry but I cannot reproduce the behaviour of not being able to open or save any files. * Do you get any error messages? * What browser are you using? #### To open a file: Left hand Navigation Panel. Double click on a file: ![enter image description here][1] #### To save a file: Click on the tab for the file you wish to save to bring it to the front of the Editor window. Click in the Editor window. Do **CTRL+S** or **Document > Save** (or Document > Save As...) ![enter image description here][2] [1]: /editor/20170505/590b962683a22.png [2]: /editor/20170505/590b96ba7a31d.png

Not Save in to local dir (C:\...).

All EasyEDA files are saved to the cloud. You can save files and projects locally via the the left hand panel `My Projects` right click menu. You can also save files using the: `Document > EasyEDA Source...` menu. The other option is to try the Desktop version of EasyEDA. You can find the link to it in the forum..