Outlook – Restore deleted attachment from email

It is not possible to restore deleted attachment from email, but, maybe, it is still not lost forever. If user leaved this attachment open when Outlook is closed and not a lot of time pass after this action, then in can be found in the internet temporary files.

For Office 365 the path to this folder can be:

%localappdata%\Temporary Internet Files\Content.Outlook

Under this folder can be found folders with cached files. If file exist, it should be in there.

Path can be also found in registry Computer\HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Outlook\Security as value of the record OutlookSecureTempFolder.