Registry Home > Software > Microsoft Office > Outlook

Set the Temporary Attachment Directory for Outlook (All Windows)

When you open an attachment in an Outlook the temporary attachment file is created in a known folder, this may present a possible security problem. This tweak allows you to change the temporary directory used for storing attachments.

This tweak can be easily applied using WinGuides Tweak Manager.
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Open your registry and find or create the key below.

Create a new String value, or modify the existing value, called "OutlookSecureTempFolder" and set it according to the value data below.

Exit your registry; you may need to restart or log out of Windows for the change to take effect.

Registry Editor Example
|NameTypeData|
|(Default)REG_SZ(value not set)|
|OutlookSecureTempFolderREG_SZC:\Temp\Attachments\|
-
|HKEY_CURRENT_USER\Software\Microsoft\Office\[version]\Outloo...|
-
Registry Settings
User Key: [HKEY_CURRENT_USER\Software\Microsoft\Office\[version]\Outlook\Security]
Value Name: OutlookSecureTempFolder
Data Type: REG_SZ (String Value)
Value Data: Temporary Folder Name

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Disclaimer: Modifying the registry can cause serious problems that may require you to reinstall your operating system. We cannot guarantee that problems resulting from modifications to the registry can be solved. Use the information provided at your own risk.

Last modified: November 21, 2002