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:

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...)

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..