So, implementing icons that resemble specifics helps reduce confusion when downloading. It is easier for most of us to associate certain things with a graphic or image. For example, adding attachment file type icons to links will help those understand what they are downloading.įor the most part, humanity is a visual species. This is why a lot of web designers implement the small things that engage the visitor. When creating a website, it’s all about delivering a great user experience. VBScript Script File, Visual Basic for Applications Script Windows Script Component, Foxpro Screen (Microsoft) Registration Information/Key for W95/98, Registry Data File MS Exchange Address Book File, Outlook Personal Folder File (Microsoft) Windows Program Information File (Microsoft) Microsoft Management Console Snap-in Control File (Microsoft)Īpplication virtualized with Microsoft SoftGrid Sequencer Internet Document Set, Internet TranslationĪccess Add-in (Microsoft), MDA Access 2 Workgroup (Microsoft)Īccess Application (Microsoft), MDB Access Database (Microsoft) IIS Internet Service Provider Settings (Microsoft) ![]() IIS Internet Communications Settings (Microsoft) Project file used to create Windows Help File Windows Control Panel Extension (Microsoft) ExtensionĭOS CP/M Command File, Command File for Windows NT This is the list of file types that are blocked by Outlook (click here for the latest list published by Microsoft). If you are not comfortable with manually editing the registry or prefer easier access to block/unblock attachments you can also use OutlookTools (free).Įasily unblock (and then block again) attachments with OutlookTools.Ĭhange back the Registry settings directly after you’ve saved the attachment or you’ll leave a door open for infecting your computer with a virus! List of blocked attachments To let Outlook block those extensions again, follow the instructions again but instead of creating the Level1Remove value delete it. When you open now Outlook, the attachments which hold those extensions aren’t blocked by Outlook anymore.Press OK on the input box and close the registry editor.If you need to enter more than one extension you’ll have to type separate them by a semicolon like this. Double-click on the newly created value and enter the extension including the “dot” that you want to open in Outlook.Go to Edit-> New-> String Value and name the value Level1Remove (case sensitive!).Outlook 2016, Outlook 2019 and Microsoft 365.It probably sounds paranoid but you’ll be hitting yourself if you get infected because you “opened the door and invited the virus” yourself. Also, change back the Registry directly after you’ve saved the attachment. ![]() ![]() I strongly recommend to only edit the Registry when you actually receive a blocked attachment and when there is no other way to obtain that file again in a safer way (in a compressed format or via cloud storage) and you know for sure that the file is clean. To unblock attachments involves changing the Registry. This enables you to scan the file before unpacking and it will also take less inbox space and upload/download time! Another way to go would be to upload it to a cloud storage service like OneDrive or Dropbox and share it from there. A good practice is to send these files in a compressed format (for instance zip or rar). Outlook informs you about any blocked attachments in the message header Unblocking procedureīefore I tell you how you can still access those attachments, you must realize that you are creating a security risk on your computer this way. For instance you receive a certificate, script or other program by e-mail. This is actually a good thing even unknown viruses will be blocked this way! The downside of this is that occasionally you could receive a file that you know is clean but still can’t access. Outlook takes no chances and blocks these files whether or not it contains a virus because Outlook is not a virus scanner and therefore cannot determine whether the file is safe or not. In our example a docx file will open with Microsoft Word.Īt the moment there is a limited (but not a definite) list of file extensions that are known to be potential viruses. The last part decides how the file opens. Document is the name part and docx is the extension part. The extension is the part of the filename after the dot. The most known are executables (programs) and scripts (automated processes).Ī filename consists out of 2 parts a name and an extension. Yes, you are correct VIRUSES! There are a lot of file types in which a virus can reside. Believe it or not but some people are actually creating and sending messages with attachments that will do your computer no good.
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