What to Do if Outlook Blocks Your Email Attachments?

Have you ever received an email with blocked attachments? If you’ve affirmed that the email attachments are absolutely secure, you can use the following means to unblock them.

When I attempt to send an email which contains an attachment in “.exe” format to my fellows, I receive an alert that the file is potentially unsafe. But I persist to send it. Although I send out the email successfully, my fellows tell me that he can’t see the attachment, which has been blocked by default. By searching some references on Internet, I get the following approaches to solve this issue.

If Outlook Block the Email Attachments when You Sending

When you try to send an email with the attachments that is included into Outlook unsafe list, you will receive an alert like the following picture. In this case, you had better zip the attachment and send the zipped file instead.Alert: The Email Attachments are Potentially Unsafe

  1. To start with, you should access to the folder where the attachment file is located.
  2. Then right click the file and choose “Send to” > “Compressed (zipped) folder” to zip the “potentially unsafe” file. Zip the file
  3. After getting a zipped file, right click it and select “Send to” > “Mail recipient”. Send to Mail Recipient
  4. Next a new message will pop up, in which the zipped file has been attached. You can compose the email as usual and send it out.

If You Receive Emails with Blocked Attachments

When you receive an email with an alert in the email shown as the screenshot below, you won’t be able to view or download the attachment. In this situation, you could prevent Outlook from blocking this type of attachments by modifying registry keys.Outlook Blocked Access to the Email Attachments

  1. At the beginning, close Outlook and turn to “Start Menu”.
  2. In “Start Menu”, search “regedit” and press “Enter” button to launch Registry Editor.
  3. After that, you should find the following registry keys in sequence, “HKEY_CURRENT_USER” > “Software” > “Microsoft” > “Office” > “14.0” > “Outlook” > “Security”.Create a new string value under Security
  4. Right click the “Security” key and choose “New” > “String Value”. And then in the right pane, name it as “Level1Remove”.
  5. Double click the newly created value. In the new popup dialog box of “Edit String”, you should specify the value data. Enter the file name extension of the blocked attachments, such as “.exe”.Change the value data of Level1Remove
  6. Next click “OK” and exit the Registry Editor.
  7. Finally you could restart Outlook. You will find that the attachment which was blocked before has been visible. Now you can view, edit and download it at will.Unblock the Email Attachments

Beware of Potentially Unsafe Email Attachments

Virtually it is prudent not to change Outlook email security settings at will unless you have confirmed the security of attachments. Otherwise, you will put Outlook at risk. In the event of virus infection or malware attacks, you will lose your data. But do not despair. You can use a top-of-the-line Outlook recovery tool, like DataNumen Outlook Repair, to rescue you from the predicament. It can get back maximum data like a breeze no matter how extreme the damage is.

Author Introduction:

Shirley Zhang is a data recovery expert in DataNumen, Inc., which is the world leader in data recovery technologies, including sql recovery and outlook repair software products. For more information visit www.datanumen.com

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