Importing from Eudora to Thunderbird on Mac takes too long

I am trying to import from Eudora v6.x to Thunderbird v3.x on a Mac. I have about 6.5 GB of mail, attachments, filters, etc.. representing over 10 years of e-mail. I have let the imports run over eight hours and it is still running. When I look at the Library/Thunderbird folder, it looks like the mail folders are set up, but I don't think the e-mails themselves have yet been imported. CPU usage after an hour or so drops to the 1% range.

How long should it take to import?

I'm running a MacBook Pro 15" 2.4 GHz purchased in Nov. 2007. I have 4 GB RAM. I'm running Snow Leopard (v10.6.3).

Thanks!
Haj
hsano6294Asked:
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Mr_GrumpyCommented:
I think you can assume that the import has hung. Are you able to crash out of Thunderbird & try again?
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hsano6294Author Commented:
I've tried this at least five times now. Each time I re-try, I scrub all traces clean by renaming the <username>/library/Thunderbird folder. The first time I re-tried, I did not rename this folder and Thunderbird would not launch.

I have yet to have one successfully complete. Is there a limit as to how much I can bring over from Eudora?

My WinXP partition successfully imported my Eudora 7.x contents, but that only had about four years worth of e-mails, folders, filters and settings.

Thanks!
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Marc ZCommented:
Hmm, that's a lot of email. Have you cleaned up your Eudora data before trying to Import, including Compacting?

Lots of info, also considering MAC
 From  
http://kb.mozillazine.org/Importing_from_Eudora_-_Thunderbird
Thunderbird data import is not always successful; there are many variables such that you may get bad messages, crashes, etc. So it is recommended that you backup Thunderbird and Eudora data prior to doing imports, so that if a problem does occur then you have the data needed to troubleshoot the issue, and rerun the process at a future date. Keep your original data for an extended period of time so that if a problem is found then you have the data needed to reproduce the problem such that someone can fix it.

The two programs store  attachments differently: Eudora detaches them from the e-mail and stores them separately as files, usually in a folder named "Attachments" or "Attach". Thunderbird keeps the attachment together with the e-mail.

When importing from Eudora, Thunderbird attempts to join the attachment back to the e-mail it came with. This can take quite a long time if there are a large number of attachments. Also, because they include the attachments, Thunderbird's mailbox files are larger than Eudora's, though that is usually harmless.

If you want to prevent Thunderbird from re-attaching the attachments, you can try to move the folder containing Eudora's attachments to a place where Thunderbird will not find it. IMPORTANT: Do not delete Eudora's attachments folder or you will lose all your attachments. Also, please note that this solution is untested; use it at your own risk.
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Marc ZCommented:
Another thought that comes to mind, considering the issues you mention and some of the notes about Importing that are in the Knowledge Base article, what about considering Exporting from Eudora.  Does it give you options for exporting everything you need?
If Eudora will export to a file that TB can then import, it might work better.

Please read through the above page though, because there is a lot there, that mentions different problems, and with the size of the file you are trying to do this with, almost any little thing might be hanging up your transfer.

I am not aware of a file size limit for TB.
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hsano6294Author Commented:
mtz1of4, thanks for your suggestions. I've been continuously traveling for work the last 3.5 weeks. I hope to have time to try your suggestions this week.
I checked and Eudora does not have an export function. I will try one of the tools for preparing the Eudora data for import.
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Marc ZCommented:
No problem. Just glad to help.
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jonevkCommented:
http://www.weirdkid.com Great software and really cool developer.

Jon
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hsano6294Author Commented:
Sorry for the delay. The last nine months of work were really a bear. For better or worse, the job ended last week.

I ran Eudora Mailbox Cleaner. It ran for six days. The results of the conversion are in the first attached screen shot.

When I launched Thunderbird, Crash reporter generated the second screen shot.

Am I correct in assuming that the conversion was too large for Thunderbird to digest? If so, I may just have to start Thunderbird fresh. My Eudora file contained almost ten years worth of e-mail.
EMB--Screen-shot-20110207085501.png
Crash-Reporter--Screen-shot-2011.png
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Marc ZCommented:
wow, i got to tell you, you are one patient person.

I did find this Limits of Thunderbird, you might want to look at it.
http://kb.mozillazine.org/Limits_-_Thunderbird
Pay special attention to Folders & Messages.
http://kb.mozillazine.org/Limits_-_Thunderbird#Folders_and_messages

Is it safe to say, that eudora Mailbox cleaner at least created the proper formats of folders and folder structure for Thunderbird?  Is that what it was supposed to do?

what you can try is opening Thunderbird's Profile Manager, and creating another Profile, not touching the other one that seems to have crashed.

My thought is that when TB tried to open and saw the amount of data you threw at it, it eventually choked, but if you can get a New Profile up and running, perhaps you can migrate one or two folders at a time from the Eudora Mailbox Cleaner folders (profile) to the new profile and test.
http://kb.mozillazine.org/Profile_Manager

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hsano6294Author Commented:
My apologies for letting this question sit idle. Thanks to everyone who responded. Especially to mtz1of4 for all the helpful suggestions.

I wound up starting fresh on Thunderbird, and leaving my old mail archived in Eudora. I will have a new problem when I purchase a replacement MacBook Pro later this year, in that Eudora will not run without a Classic MacOS emulator.

Thanks!
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