As Malewarebytes explains, some of the emails suggest action is required to make sure tax records are up to date. One message seen by the security experts featured an attachment called "Urgent ...

A computer file that rides along with an email message. Attachments are widely used to transfer photos and documents to another party. However, very large files and executable files are generally ...

Please see "Email Attachment Formats Explained" in TidBITS 515 and "Email Attachments: Who Does What" in TidBITS 516 for details on each of these formats and how different email programs support them.

One basic rule of the Internet is that you should never open an email attachment unless you’re sure it’s not a corrupt or infected file. And there are a few basic steps you can follow to avoid ...

The question of how to handle “modern attachments” has become the hot topic that’s sweeping the ediscovery landscape this ...

Outlook and other email services have a limit on the size of attachments users can have in a mail. Outlook’s attachment size ...

Mailing lists, for example, often reject very large email messages. To send a large file via email, you must upload the attachment to the ENCS File Sharing Service and send the link via email. The ...