Outlook blocked access to the following potentially unsafe attachments

When you see Outlook blocked access to the following potentially unsafe attachments message in Outlook 2016 whereas making an attempt to open an e mail that incorporates .exe or .msi file as an attachment, Outlook will cease that attachment from being opened because it might potentially be a malware file.

It’s a good safety function of Outlook because it helps defend your pc from hurt. However there could also be the explanation why you might have considered trying to briefly disable this warning function and unlock blocked e mail attachments. When you do, then this put up will make it easier to.

Outlook blocked access to the following potentially unsafe attachments

This might assist when you want that file proper now and also you belief the sender.

Unblock blocked Outlook attachment

You want to add a particular worth in the Registry file in order that Outlook can allow you to obtain the file. Earlier than getting began, it is strongly recommended to create a system restore level and backup the Registry information.

Press Win + R to open the Run immediate and kind regedit to open the Registry Editor. After that, navigate to this path-

HKEY_CURRENT USERSoftwareMicrosoftOffice16.0OutlookSecurity

This path is for Outlook 2016 customers.

Nevertheless, in case you are utilizing an older model, this path can be completely different, like this-

Outlook 2013:

HKEY_CURRENT USERSoftwareMicrosoftOffice15.0OutlookSecurity

Outlook 2010:

HKEY_CURRENT USERSoftwareMicrosoftOffice14.0OutlookSecurity

If you don’t see 16.0 or 15.0 or some other worth in accordance to your Outlook model, you want to create it manually. For that, go to this path-

HKEY_CURRENT USERSoftwareMicrosoft

Proper-click on Microsoft > New > Key. Identify it as Workplace. Now, right-click on Workplace > New > Key and title it as follows-

Outlook 2016: Sort 16.0

Outlook 2013: Sort 15.0

Outlook 2010: Sort 14.0

Now choose that 16.0/15.0/15.0 e > right-click on it > New > Key and title it as Outlook. After that, right-click on Outlook > New > Key and title it as Safety.

Subsequent, right-click on Safety > New > String Worth and title is as Level1Remove. Now, double-click on this string worth and write down the worth as follows-

.exe;.msi

When you enter this, Outlook will present the .exe and .msi information in your e mail. Nevertheless, in order for you to embody solely .msi file assist, you possibly can add this value-

.msi

After saving and restarting Microsoft Outlook, it is possible for you to to discover your file in your e mail that was beforehand blocked by this e mail shopper.

We urge you to use this methodology briefly. After downloading the file out of your e mail, you possibly can take away the worth you have got created and that approach you can be on the protected facet.

If you don’t want to make modifications to your Registry, you possibly can ask the sender to use one other approach to share that file, like OneDrive. Or, you possibly can ask the sender to compress that file by utilizing a third-party software like WinZip. This can change the extension of the attachment in Outlook.

Why are my attachments blocked in Outlook?

File attachments are one among the most typical methods of spreading viruses on computer systems. So as to defend customers’ computer systems from virus assaults, Outlook blocks the sending and receiving of some specific information by default, like an exe file. When you want these information, you possibly can contact the sender to ship them by way of one other approach, like OneDrive.

How do I open potentially unsafe information?

You shouldn’t open potentially unsafe information as a result of these information may cause injury to your system as they comprise viruses. Nevertheless, generally, Home windows blocks some real information from being opened. In such a case, you might even see the “Windows has blocked access to this file” message. To repair this, you possibly can unblock that file in its Properties.

That’s it. I hope this helps.

TIP: The Attachment Supervisor in Home windows allows you to configure Excessive threat, Medium threat, Low threat information.