Basically, in offline mode are switched browsers (Internet Explorer, Mozilla Firefox, Opera, etc.) or collectors mail (Microsoft Outlook, Mozilla Thunderbird, etc.). In this mode working with Internet sites and mail accounts in the network is impossible.
Open a web browser. To cancel offline mode, open the menu "File" of any browser. Find the functionality to Work offline ("Work Offline") and uncheck it. Refresh the page. You can follow the links.
Open the mail fetcher. To disable offline mode, open the menu "File", find the line "work Offline", uncheck activation. Ready - you can send or receive e-mail.