From the user account that is already set up:
Click Start, Run and enter REGEDIT
Locate the following 4 branches of the Registry
HKEY_CURRENT_USER\Identities
HKEY_CURRENT_USER\Software\Microsoft\Internet Account Manager
HKEY_CURRENT_USER\Software\Microsoft\Outlook Express
HKEY_CURRENT_USER\Software\Microsoft\WAB\WAB4\Wab File Name
Right click on each branch above and select Export and save the REG files to
your hard drive.
For each account you want to have the same mail settings, log into that
account. Click Start, Run and enter REGEDIT. Locate the
HKEY_CURRENT_USER\Identities branch, right click it and select Delete.
Next open Windows Explorer and locate the 4 REG files you saved above.
Double click each one and answer yes to the import prompt.
Now you can open OE in any of the User accounts, and all the settings,
accounts, will be the same.
This was tested with the Mail and News Store on a FAT32 drive. I can't
guarantee it will work on an NTFS drive.
Note: You will need to re-enter the passwords for mail and news group
accounts.
Note2: If you use Signatures, you should put them in a text file and change
OE's settings to use them. Signatures are often corrupted during the
import. This is due to the Unicode storage of the signatures in the
Registry.
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