How do I open up lit files?

Unless you can find an app in the iTunes Store that can open lit files, you will have to open them on a computer, convert them to a standard format (PDF, text, etc.) and then transfer that converted file to the iPad.

Regard.

Calibre can convert LIT files to EPUB, which iBooks can read.

What are lit files? an e-book format? Whatever they are, search in the app store for apps that handle those types of files, check out the reviews and find an app to help you open them.

http://www.ghacks.net/2008/03/09/how-to-open-lit-files/

 Cheers, Tom 😉