Outlook blocked access to the following potentially unsafe attachment.
Microsoft Outlook includes a feature that blocks attachments that are considered unsafe. If you receive an e-mail message that contains an attachment that contains one of the file types that are considered unsafe, you may receive the following message:
Outlook blocked access to the following potentially unsafe attachments: [...]
Although Outlook blocks access to the attachment, the attachment still exists in the e-mail message.
This article discusses the methods to use if you have to open an attachment that has been blocked in Outlook.
Solution: -
| 1. | Exit Outlook if it is running. | ||||||||||||||||||
| 2. | Click Start, click Run, type regedit, and then click OK. | ||||||||||||||||||
| 3. | Verify that the following registry key for your version of Outlook exists. If it does, go to step 5. HKEY_CURRENT_USER\Software\Microsoft\Office\12.0\Outlook\Security Microsoft Office Outlook 2003 HKEY_CURRENT_USER\Software\Microsoft\Office\11.0\Outlook\Security Microsoft Outlook 2002 HKEY_CURRENT_USER\Software\Microsoft\Office\10.0\Outlook\Security Microsoft Outlook 2000 HKEY_CURRENT_USER\Software\Microsoft\Office\9.0\Outlook\Security If the registry key does not exist, create it. To create the registry key, follow these steps:
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| 4. | Click the Edit menu, click New, and then click String Value. | ||||||||||||||||||
| 5. | Type the following name for the new value: Level1Remove | ||||||||||||||||||
| 6. | Press ENTER. | ||||||||||||||||||
| 7. | Right-click the new string value name, and then click Modify. | ||||||||||||||||||
| 8. | Type the file name extension of the file type that you want to open in Outlook. For example: .exe To specify multiple file types, use the following format: .exe;.com | ||||||||||||||||||
| 9. | Click OK. | ||||||||||||||||||
| 10. | Exit Registry Editor. | ||||||||||||||||||
| 11. | Restart your computer. |
Note We recommend that you enable only the file types that you need. If you rarely receive a particular file type, we recommend that you give Outlook temporary access to the file type that is in question and then reconfigure Outlook to block the file type by undoing the changes to registry.
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