File suffixes with descriptions and types, for Mac users and Windows users, and advice on how to deal with them.

Find software and hardware reviews, tutorials, and discussion forums on networks, Internet and Microsoft products.

Tech support resource for Windows and Macintosh. Marketplace for providers and buyers of IT services and support.

Tutorials and examples on using the JavaScript scripting language. With freely available code.

Offers free computer support for a variety of technical issues.

Dated but informative document with tips for Mac owners using MacTCP rather than Open Transport for Internet connection.

Hypertext document explains many common Internet terms and offers links to more detailed explanations and usage examples.

MSN members help fellow community members with news and advice concerning MSN Internet access. Post to the message board, join the chat, and learn about current viruses.

New to the Internet? Take the Cyber Course, subscribe to the NewbieNewz mailing list, or send in your questions.

An online "service station" for PCs. Runs diagnostics on PCs to identify things that might help improve performance.

Free technical support online! Protonic replies within 48 hours and is made up of over 100 experienced advisor volunteers.

Directory listings for technical support sites, including Windows freeware and shareware. Subscribe to the free newsletter.