= Firefox =
<<TableOfContents>>

= AddOn =

 * MultiLogin: addons.mozilla.org/addon/multi-account-containers

= Disable 'Reset Firefox ...' =
 * Tired of annoying mesage "It looks like you haven't started Firefox in a while. Do you want to clean it up for a fresh, like-new experience? And by the way, welcome back!"
 * Solution found at http://miroslav.suchy.cz/blog/archives/2014/05/13/how_to_disable_reset_prompt_in_firefox/index.html
 * step by step:
  * Open: `about:config`
  * Create a new entry by `selecting any entry > right mouse click > New > Boolean`
  * Enter the preference name: `browser.disableResetPrompt`
  * Value: `True`

= This Connection is Untrusted =
{{attachment:ff1.png}}

 * You see this message on encrypted sites with selfsigned certificates. If you trust the site, click:

{{{
I Understand the Risks > Add Exception > Get Certificate > Confirm Security Exception
}}}
= Profile in use / Clean lock files =
 * After an unclean stop of  Mozilla or Thunderbird (application crashes, desktop session crash, server crash ) it happened frequently that a new start of the application fails with:

{{attachment:inuse.png}}

 * To clean the setup, start either
  * `Applications > System Tools > Clean Firefox/Thunderbird - Remove Lock', or`
  * call `rmlock.sh` from a terminal.

= Turn off Spell Checker =
`Tools > Options > Advanced > General > Check my spelling as I type: Off`

= Firefox Not Scrolling with Up/Down Arrow Keys or Home/End Keys =
 * Hit '''F7''' to activate/deactivate 'caret browsing'
 * http://en.wikipedia.org/wiki/Caret_navigation

= Export / Import Bookmarks =
This section explains how to export your bookmarks i.e on Windows to an HTML file, which can be used as a backup or for importing into another web browser and/or on an different Plattform.

== Export ==
 * Click the Library button  |||\ icon, then click Bookmarks. Scroll to the bottom and click Show all Bookmarks.
 * From the toolbar on the Library window, click Import and Backup and choose Export Bookmarks to HTML
 * In the Export Bookmarks File window that opens, choose a location to save the file (any place you have write access will work), which is named bookmarks.html by default.
 * Click the Save button. The Export Bookmarks File window will close.
 * Close the Library window

== Import ==
 * Click the Library |||\ icon, then click Bookmarks. Scroll to the bottom and click Show all Bookmarks.
 * From the toolbar on the Library window, click Import and Backup and choose Import Bookmarks from HTML
 * In the Import Bookmarks File window that opens, navigate to the previously saved bookmarks HTML file you want import
 * Click the Open button. The Import Bookmarks File window will close.
 * Close the Library window.
  * The bookmarks in the selected HTML file will be added to your Firefox bookmarks within the Bookmarks Menu directory.