
Some file types that are blocked by Outlook include. Head back into Outlook and attach and send the new zipped folder instead.Right-click on the file and choose to Send to compressed (zipped) folder.Head to where the file you want to attach is located.You can work your way around this by zipping the file and then attaching it. And, also because Outlook has a size limit for files. This is because Outlook blocks certain file types that it thinks might spread computer viruses. One of the most common problems with attachments in Outlook is that it might block file types that it thinks are unsafe. Outlook says that files my are unsafe, or that the file is too big In this guide, we'll help you solve some common problems with attachments in Outlook, and help stop the fretting. You might not be able to attach a file to Outlook at all, or attachments might not show up in the body of emails, or as you intended.

But, sometimes, not everything might go as planned. Inserting attachments is a key part of emailing in Outlook.
