By default, Thunderbird 3’s message pane header takes up a whopping three lines, plus all that room for buttons. We can put an end to that.

Hide Header Information in Thunderbird 3

If you have just a massive amount of junk in your message’s header pane, then it’s likely that you’ve accidentally enabled Thunderbird to show all header information.

Luckily, this is a very quick fix. Simply click View > Headers > Normal.

This will give you some instant relief and make your header look more like the first screen shot in this post.

Collapse Thunderbird Message Header with CompactHeader

You can right-click in the top-right corner of the message header and click CompactHeader Preferences for more options. For instance, you can cut down on space by choosing Display only address, which removes the name of the sender. Or, if the one-liner is too small for you, you can bump it back up to two lines.

Hide the Message Header with Mail Tweak

Mail Tweak is an awesome all-in-one Thunderbird add-on that lets you customize the look and feel and behavior of Thunderbird.  You can also use it to completely eliminate the message header. Install it and then click Tools > Add-ons and click Options under Mail Tweak in the Extensions tab.

Scroll down until you find Autohide panes. Check it and then check Message header below. Click OK and restart Thunderbird (or check Reload windows to apply changes now before clicking OK).

Now, there will be no message header to speak of. Pretty drastic, but for those of us who have mastered the Thunderbird keyboard shortcuts (press CTRL-R to reply), it’s much better this way.

So, there you have it. Three easy ways to reduce, collapse or eliminate the message header in Thunderbird 3.  Enjoy your new, compact view! Tom reading your topic, i´m asking how do you do to add the email address on the head message from the email you have received for which you are going to reply. i mean in your example, how do you do to have this: because in my case, i would only have: On Nov18, 2010, at 3:30 PM, Jack Busch wrote: So i miss the email address from the sender from the previous message í want to respond in order to have the head of the previous message complete as yours: On Nov18, 2010, at 3:30 PM, Jack Busch wrote: Thank you a lot for your help, greetings from France, Romain On Nov18, 2010, at 3:30 PM, Jack Busch wrote: Thank you for your prompt reply. Is there any possibility to do it under Thunderbird ? Greetings, Romain Comment Name * Email *

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