Facebook Chat History Manager is a Firefox extension which can save your Facebook chat messages in your local environment.You can view your chat history anytime either online or offline.Your messages are securely stored and only person passed the security check can view saved messages.Note that all messages are stored in your client, this application won't store your chat history on server.Installation and usages are pretty simple.Usages:*1.Create your account.(Required!)After extension installed, from Firefox menubar, select Tools,find Facebook Chat History Manager menu, and select Create Account. The ID used to create local account is a ten or more digit number that facebook used to identify each member. An account is necessary to ensure one can only view his/her own messages. The chat history manager will save your chat message automatically and silencely.To Get Facebook ID, From Tools->Facebook Chat History Manger, select "Get Facebook ID", then login to facebook to get your facebook ID.2.View chat history.There are two ways:a: Press Controll+Alt+F to open chat history window. This need you login.b. From Firefox menubar, select Tools,find Facebook Chat History Managermenu, and select View History3.Delete chat history.To delete messages, you can select the messages to be deleted then click delete button on the top of view history messages page.4.Set Preference.Set messages per page: From Firefox Tools menu,select Add-ons,find Facebook Chat History Manager and select Options.Requirements:

Ссылка: https://addons...US/firefox/downloads/latest/12338/addon-12338-latest.xpi