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Even though Mozilla Thunderbird is a fantastic email client, there are people who (for one reason or another) need to switch back to Microsoft Outlook Express (OE) or Outlook. However, Thunderbird still doesn't have an "Export" feature which would export mail archives in a format understandable by OE or Outlook. IMAPSize can be of great help in this process and this page explains how to perform the migration.

Mozilla Thunderbird stores emails in the mbox format. Outlook Express stores email messages in propriatory *.dbx files but understands *.eml, which are plain text files. MS Outlook stores messages in *.pst files which are binary propriatory (Microsoft) files. Here are the steps you have to take:





1. Compact your Thunderbird folders (optional)

Thunderbird keeps messages in mbox files even after they have been deleted. If you don't want to include deleted messages in the conversion, you have to compact your folders in Thunderbird. Right click a folder and select "Compact This Folder". This will completely remove deleted messages from the folders mbox file.


2. Locate mbox files in Thunderbird

Thunderbird stores messages in the Profile Folder, in the Mail and (if you use IMAP) ImapMail folders. Each mail folder (Inbox, Sent, etc.) is stored as two files — one with no extension (e.g. INBOX), which is the mail file itself (in "mbox" format), and one with an .msf extension (e.g. INBOX.msf), which is the index (Mail Summary File) to the mail file.
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3. Convert mbox files to eml files

IMAPSize has a built-in mbox2eml tool that can seemlesly convert thousands and thousands of messages. Download, install and run IMAPSize (it's free) and invoke the mbox2eml option from the Tools menu. Select the mbox file you wish to convert (you might need to set the "Files of type" option to "All Files" in the file selection dialog, since Thunderbird mbox files don't have an extension) and select a location where generated eml files should be stored. Click "Convert" and IMAPSize will start converting the files.

All the attachments will also be converted and your original Thunderbird files will not be touched. Starting from version 0.2.0. you can convert multiple mbox files at once.


4. Import generated eml files into Outlook Express

Launch Outlook Express and select the local folder (or create a new one) into which you want to import your messages. Open Windows Explorer or your favourite file manager, locate the generated eml files, select them and drag and drop them into the OE application window. If Outlook Express is your email client of choice you don't have to perform the next step.


5. Export files from OE to Outlook

Assuming you have Outlook installed on your system, open Outlook Express and from the File menu select Export/Messages. Once exported, the messages will appear in Outlook - if they were in your inbox in OE, they'll be added to your Outlook inbox; if they were in a local subfolder in OE, a folder of the same name will be created under your Outlook inbox.


If you stumble upon any problems feel free to report them on the forum or email to imapsize at broobles dot com. If you are looking for a good text editor to inspect your mbox files, check out this list of best text editors.

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http://www.broobles.com/imapsize/th2outlook.php

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How To Migrate From Evolution To Thunderbird In Ubuntu Intrepid

While Evolution is a useful email client for Gnome desktop, it is just not as extensible and flexible as Thunderbird. For those who are facing unpleasant incidents with Evolution and wish to migrate to Thunderbird, here is how you can do so in Ubuntu 8.10

Preparing your Thunderbird

First of all, if you have not installed Thunderbird, click here to install. Alternatively, in your terminal,

sudo apt-get install thunderbird

Open your Thunderbird (Applications-> Internet -> Mozilla Thunderbird).

It will first prompt you to import setting, select Don’t import anything and click Next.

It will then ask you to setup your email account. Go ahead and set up your email account.

Migrate local mail from Evolution

First, we will migrate the Evolution mails that are stored locally in your hard disk.

Open up two Nautilus windows (if you like, you can open two tabs instead of two windows). Press Ctrl + H to reveal the hidden folders. In one window, navigate to the .mozilla-thunderbird folder. You should see a folder with name similar to i7bqvbzk.default. Click on that folder, followed by Mail and Local Folders. You should see some files like Inbox, Trash, Unsent Message etc.

In the second window, navigate to .evolution -> mail -> local folder. Similarly, you will find files such as Inbox, Outbox, Sent, Trash etc.

Now copy the five files Inbox, Outbox, Drafts, Templates, Sent from the Evolution folder to the Thunderbird folder. If it prompts you whether to replace the existing files, click Replace All.

If you have used any subfolders in your Evolution, you should see a folder with a .sbd extension (such as #evolution.sbd). In your Thunderbird folder, create a similar folder with the same name. Back to your Evolution folder, copy and paste all the files in the subfolder that don’t have a file extension to the Thunderbird subfolder.

That’s it. Restart your Thunderbird. You should see all your Evolution mails imported over.

Migrate Calendar

Thunderbird does not come with a calendar function by default, so we need to install the Lightning extension to give it the calendar functionality. As the Lightning extension in the Ubuntu repository is outdated, we will have to download the extension and install it manually.

Go to https://addons.mozilla.org/en-US/thunderbird/addon/2313 and download Lightning 0.9.xpi.

Some of you who have installed Lightning 0.9 before will find that you won’t be able to add entry to the Calendar and Task section. This is a common bug as the Lightning extension still uses the old libstdc++5 dependency file while Ubuntu Intrepid comes with the newer libstdc++6. Thus, before you install the Lightning extension, first install the libstdc++5 dependency file.

sudo apt-get install libstdc++5

Now, in your Thunderbird, go to Tools ->Addons. Click on the Install button to install the Lightning extension. (If you have already installed Lightning extension, you will need to remove and reinstall again).

Restart the Thunderbird. The Lightning extension should detect the presence of Evolution and prompt you to import the calendar from Evolution.

Make sure the box is checked and click Next. It should import your Evolution calendar over.

Migrating Task

Lightning does not import the Task list from Evolution, so you have to do it manually.

In Evolution, click on the Task tab. Right click on the Personal (or whatever name you give to your task list) and select Save to disk. Navigate to the location and save the task list in .ics format.

In Thunderbird, first click on the Calendar tab, then go to File->Import Calendar. Select the file that you have just saved. Thunderbird will prompt you where to save the calendar. Pick the one you want and click OK. Your Evolution Task list will now be imported to Thunderbird.

Migrate address book

Importing address book from Evolution is not an easy task since Thunderbird does not support the importing of .vcf format. To overcome this, we have to install the MoreFunctionsForAddressBook extension.

Go to http://nic-nac-project.de/~kaosmos/morecols-en.html and download the MoreFunctionForAddressBook extension. Install it in Thunderbird (and restart Thunderbird).

In Evolution, click on the Contacts tab. Right click on your contact list and select Save As vCard. Select a location and save the contact list in .vcf format.

In Thunderbird, click on the Address Book tab on the icon bar to load up the Address book window. Right click on the entry area and select Import vCard/vcf. Select the .vcf file that you have just saved.

Done.

Enable Tracker Indexing

You have now completed the migration from Evolution to Thunderbird, you might want to enable tracker indexing so that your mail in Thunderbird can be indexed and searched by tracker.

Download the tracker extension here.

Install the extension in Thunderbird and restart thunderbird.

On your Ubuntu desktop, go to System -> Preferences -> Search and Indexing. Make sure that the Index delay is set to at least 45 and the box beside Enable Indexing is checked.

Next, go to System -> Preferences -> Sessions. Make sure that the boxes beside Tracker and Tracker Applet are checked.

Close everything and restart your computer.

Once it is booted up, start your Thunderbird and go to Tools -> Tracker Indexer Setting

On the Indexing tab, make sure that the Enable Indexing box is checked.

On the Privacy tab, click the Drop everything and Reset index status. Tracker will now re-index your Thunderbird folder.

That’s all. Enjoy!

ที่มา :  http://maketecheasier.com/how-to-migrate-from-evolution-to-thunderbird-in-ubuntu-intrepid/2008/12/04