Unable to Open Blocked Attachments in Outlook 2016, 2013, 2010

When you receive an email message with Outlook blocked attachments. Unsurprisingly, one of the most common ways of spreading a virus is to use email attachments. That’s why Outlook blocks certain email attachments, such as .exe and database files. An error message is shown to unable to open blocked attachments in Outlook 2016, 2013, 2010:

When you attempt to send these files as attachments with your Microsoft Outlook email ID or Exchange server / web client, Outlook may display the following warning message:

When you attempt to send the above attachment from Outlook to certain webmail such as Gmail, Outlook may display the following error message:

Starting with Microsoft Outlook 2000 Service Issue 1, all versions of Outlook have security features that automatically prevent suspicious attachments. This security feature is definitely a breeze because your computer’s blocked attachments can expose you to viruses and threats.

In this post, We will talk about specific ways you can easily unblock and download these blocked attachments in Outlook 2016, 2013, 2010.

Methods to Open Blocked Attachments in Outlook 2016, 2013, 2010

There are various methods to access blocked Outlook attachments. This section highlights some of the most preferred methods.

Method 1: Share Attachments using File Sharing or FTP Website

You can ask the email sender to share the file as a link rather than as an attachment. File-sharing websites such as Google Drive, Dropbox, HighTail, TransferBigFiles, WeTransfer, MediaFire, DropSend, Egnyte. These file-sharing platforms allow users to even share 20 GB files.

Method 2: Share Attachments using a File Compression Utility

You can tell the email sender to compress the blocked attachment and reshare it. You can perform the tasks by using file compression utilities such as WinZip and WinRAR. Compression changes the filename extension to .zip or .rar. These are not blocked by Microsoft Outlook 2016, 2013, 2010.

Method 3: Change Security Settings with Help of Server Administrator

If you are using Microsoft Outlook with Exchange server, you must talk to your server administrator to change the security of your mailbox to accept blocked attachments.

Method 4: PST Viewer Pro to Open Blocked Outlook Attachments

If none of the above methods work then you need the best and reliable tool to access the Outlook attachments. One such Software is PST Viewer Pro. This tool will help you open and save Outlook emails with attachments that are corrupted, damaged, or blocked by Outlook for security reasons.

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Final Words

This post describes the 4 best ways to help you open blocked attachments in Outlook 2016, 2013, 2010. If the top three methods do not work best to unblock, try the fourth method, PST Viewer Pro tool. That can easily open Outlook emails with attachments even damaged or corrupted.