This page describes Thunderbird's configuration options for startup. =Specify whether Thunderbird should check for new messages at startup= Menu location: {menu {for win,mac}Tools{/for}{for linux}Edit{/for} | Account Settings | <account name> | Server Settings} =Configure how Thunderbird behaves when there is no internet connection (offline)= Menu location: {menu {for mac}Thunderbird | Preferences{/for}{for win}Tools | Options{/for}{for linux}Edit | Preferences{/for} | Advanced | Network & Disk Space} =Configure Thunderbird as the default mail client= Menu location: {menu {for mac}Thunderbird | Preferences{/for}{for win}Tools | Options{/for}{for linux}Edit | Preferences{/for} | Advanced | General} =Configure the page that displays when Thunderbird is first started= Menu location: {menu {for mac}Thunderbird | Preferences{/for}{for win}Tools | Options{/for}{for linux}Edit | Preferences{/for} | General} =Configure the connection to the internet= Menu location: {menu Thunderbird | Preferences | Advanced | Network & Disk Space}

This page describes Thunderbird's configuration options for startup.

Specify whether Thunderbird should check for new messages at startup

Menu location: ToolsEdit | Account Settings | <account name> | Server Settings

Configure how Thunderbird behaves when there is no internet connection (offline)

Menu location: Thunderbird | PreferencesTools | OptionsEdit | Preferences | Advanced | Network & Disk Space

Configure Thunderbird as the default mail client

Menu location: Thunderbird | PreferencesTools | OptionsEdit | Preferences | Advanced | General

Configure the page that displays when Thunderbird is first started

Menu location: Thunderbird | PreferencesTools | OptionsEdit | Preferences | General

Configure the connection to the internet

Menu location: Thunderbird | Preferences | Advanced | Network & Disk Space