Files in an archive (such as .zip) won't open in Gmail even if the file inside is compatible. To send large files, share files through Google Drive. You can also preview some files in Gmail.

Locate the attachment summary bar at the bottom of the open email message. Thunderbird's attachment summary bar shows the name of the attached file, along with its file extension, such as PDF or ...

An attachment to an email message is any file sent with the message outside of the body of the email, meaning the message's text and possibly graphics within it, like a background or image of a ...

If you received this file in an email attachment and tried to open the document, you would need to have a program that can read files created with the .doc extension.

By installing Attachment Icons for Gmail, you'll be able to quickly identify if it's a PDF, MP3, ZIP, or any other common file type attached to your e-mail without even having to open it.

Q: I'm part of a group of 80 people who every week receive an e-mail with an Adobe PDF file attachment. But when I receive the e-mail, the PDF has been converted to a Winmail.dat file that my e ...

Mac 911 How to open a stubborn email attachment in Mail on your Mac Apple Mail may wind up with broken permissions that prevent you from opening files you should have access to.

What files can you open in Gmail? Depending on which platform you use with Gmail, you can open a range of attachments without downloading them. However, you can't open some attachment types.