I just created a new Thunderbird profile. Unfortunately Thunderbird only downloads recent messages. I need to get all my messages and subfolders. Any idea?
If presented with a
dialog, click on the button "I'll be careful, I promise!".
Look for an option called
Change this setting to
If this key does not exist, then add it (right click / new) exactly as it is written above as a boolean preference. When you add the preference, you will be asked for the initial value. Choose
Next, in Account Settings/the account you are referring to/Synchronisation & Storage ensure that "Synchronise all messages locally regardless of age" and "Keep messages for this account on this computer" are selected.
there should be a menu or button to "go offline"
in my current thunderbird - 17.0.2 (in ubuntu 12.04) the button is at the lower left corner of the whole app -
clicking it will start the download and if everything is configured - for instance mine has "keep all messages regardless of age local" then that is what it will download
You have to check a box called "Keep messages for this account on this computer". Have a look at this tutorial for keeping IMAP messages in thunderbird.