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Title
Error restoring part 1.2: ADODB.Stream: Error 3004: Write to file failed when opening archived mail in Outlook -
Description
Opening an archived email (with attachments) gives the error:
'Error restoring part 1.2: ADODB.Stream: Error 3004: Write to file failed'
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Cause
The Outlook secure temp folder is missing. -
Resolution
To find the path to the Outlook secure temp folder check in the registry for the path that Outlook is set to use, depending on the version installed:
Outlook 2007
HKEY_CURRENT_USER\Software\Microsoft\Office\12.0\Outlook\Security
Outlook 2010
HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Outlook\Security
Outlook 2013
HKEY_CURRENT_USER\Software\Microsoft\Office\15.0\Outlook\Security
Outlook 2016
HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Outlook\Security
The key "OutlookSecureTempFolder" will have the path to the folder. Check that this folder exists and if not create it and try to open an archived email with an attachment.