tnks for your respons.
The problem is as the original post question:
ZCS Open Source Edition 8. When users try to login in mailbox via web interface, browsers (chrome and firefox) don't ask to save a password (in browser this function is enabled).
So using the web interface of zimbra cs 8 in windows we cant save password. Checkbox and browser save password are filled in and checked. for All programs browser asks for save password, but not for zimbra. Zimbra isnt excluded in password save options.