There are three major types of blood vessels: the arteries, which carry the blood away from the heart; the capillaries, which enable the actual exchange of water and chemicals between the blood and the tissues; and the veins, which carry blood from the capillaries back toward the heart.here are three major types of blood vessels: the arteries, which carry the blood away from the heart; the capillaries, which enable the actual exchange of water and chemicals between the blood and the tissues; and the veins, which carry blood from the capillaries back toward the heart.
Winmail Opener is a small and simple utility that allows you to view and extract contents of. -encoded messages (infamous winmail.dat). That means if you receive winmail.dat on your e-mail, with Winmail Opener you can view the rich text message contents and attachments embedded into this file. You may receive winmail.dat files from the senders who are using Microsoft Outlook (97, 2000).
So you want to open that .dat file that you've found on your computer or have been sent by e-mail. Well, I hope you're ready for some bad news! The .dat file extension simply indicates that it's a data file and could potentially have been created by just about any program in existence.