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.

“Several changes, such as the orientation of the folder icons and the default file type icons, have been made for greater consistency across Microsoft products that show files,” says Amanda La ...

If a file type doesn’t have a particular application set up to handle it, there will be a gray plus sign (+) icon instead. Step 6: Scroll through the list to find the file type you want to ...