In XP I always had Eudora maintain its mailboxes, including
attachments etc, in a folder of my choosing by using the artifice
of adding that folder's location to Eudora's [shortcut] properties, thus:
Target: "C:\INTERNET\EUDORA\Eudora.exe" "C:\the folder name"
Quoting each path (lest it contain any spaces) is safest.
And of course, I created the folder "the folder name".
I can't seem to get that to work for attachments in Windows 7. That
is, in.mbx etc work fine, but attachments do not. Eudora insists on
putting attachments where it wants to.
The argument on the command line ("Target") tells Eudora
what folder to use as its "Data" (mail and settings) folder,
overriding any original instructions saved in "Deudora.ini"
(a file that was created by the installer, along with Eudora's programs).
Within the "Data" folder actually selected at program launch time,
which you can confirm via "Help" > "About Eudora,"
all of Eudora's _options_ are found stored in a file named "Eudora.ini"
If the "AutoReceiveAttachmentsDirectory" option has been specified _by you_
(and the path exists, is a directory, and permits the user to add files),
it will override the default which otherwise would use an "Attach"
sub-directory of the original "Data" directory for incoming attachments.
If your "Data" or attachments directory is within any protected Windows area
(e.g. under any "program files" area), then Windows 7 will normally
re-direct all new file writing or updating to a "VirtualStore" folder instead,
which nearly always eventually leads to a number of problems, down the road.
The earlier posted Microsoft forum references contain opinions and conclusions
of people who do not know enough to give the correct or best answers about Eudora,
so "caveat emptor," as usual, about believing or following "just anything"
that appears on the internet.
Here's what "Help" > "About Eudora" should show you,
about the location of your "Data" vs. program files ("Application"):
http://eudorabb.qualcomm.com/attachment.php?attachmentid=548
You can open those paths in that version by simply clicking on them.
--