Its quite tricky.
Here's a quote of what I did earlier and I haven't improved on the process:
The rules shift to Unicode so you have to
fix that. Here's the basics that I posted back in December 2006. The mail
folders you will have to respecify as they don't carry over.
Okay there are actually 4 issues, but I figured out two of them.
This is for a single rule at the moment. I'll try and program it so it
doesn't have to be done rule by rule.
First export the rule from the machine with OE:
HKEY_CURRENT_USER\Identities\{GUID}\Software\Microsoft\Outlook
Express\5.0\Rules\Mail\002
where GUID is the Identity and this is rule 3
Then edit the reg file with Notepad.
Do replace for
HKEY_CURRENT_USER\Identities\{GUID}\Software\Microsoft\Outlook Express\5.0
with
HKEY_CURRENT_USER\Software\Microsoft\Windows Mail
Then save the file.
Then the search strings have been changed to Unicode so set the cursor where
the Rule Criteria start. Then do a second replace until the end of the file
and search for
,
replace with
,00,
Then in the last line of each criteria add
,00
Then save.
Then create a mock rule in the registry with WinMail and close WinMail.
Then delete that mock key in the registry. Make sure the rule number in the
saved reg file matches that that you just deleted.
Then merge the file into the registry.
Open WinMail and go to Tools | Message rules and you see the new message
rule spelled out okay when you click on it, except for the folder name. You
will still have to specify the folder names again because those are coded
numerically, I think.
Anyway, that will work, but its a bit involved to do manually.
steve