What is the index.dat file? New
The index.dat file is hidden database used by Microsoft Internet Explorer 4, 5 and 6 to record information about Internet sites that have been visited and details of cookies being stored on your computer.

Outlook Express Backup New
Email backup is the only way to ensure our precious information survives the unforeseen computer crashes, software glitches, hardware failures and power outages.

IP address New
A unique identifier that allows a computer (or other networked device) to communicate on a TCP/IP network.

Domain Name System (DNS) New
A system that translates domain names into numeric IP addresses.

Router New
A network device that controls the flow of traffic between networks.

Transmission Control Protocol/Internet Protocol (TCP/IP) New
TCP/IP defines a suite of protocols used by devices to communicate on a network.

Internet
The Internet is a decentralized network of computers and devices around the world.